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←KauaiUnited States · North America · May
May climate
BeachIslandCoastal

May in Kauai

United States · North America

Warm coastal days and some sun.

Good overall
Travel scene in Kauai
Daytime high
79°F
Lows around 71°F
Rain
Frequent rain
Sun
7.5 h/day
Air feel
Humid
Sea temp
77°F
Great for swimming
When to visit

Month-by-month fit

Best
Excellent matchVery goodGood with trade-offsSome trade-offsLimited fit

Temperature

Pleasant by day, mild at night.

79°Ftypical May high
60°70°80°90°HighLow82°F75°F75°F67°FJFMAMJJASONDSelected month · 79°FSelected month · Low 71°F
Typical range

Precipitation

Rain is frequent. About 15 wet days this month.

48%wet-day frequency
012345678Amount (in)0%25%50%75%100%28%JFMAMJJASONDSelected month · 48% · Frequent rain48%
AmountWet-day chance

Sunshine

Good sunshine this month.

7.6 hMay sunshine
0 h3 h6 h9 h5.4 hJFMAMJJASONDSelected month · 7.6 h7.6 h

Heat & humidity by month

Warm days, with humid periods.

87%May Heat feel
0%25%50%75%100%87% Humid air99% Humid air55% Humid airJFMAMJJASOND
Easy airWarm airHumid airVery humid air

Hourly temperature pattern

In May, afternoons feel about 80° and nights feel near 75°.

How warmth changes through the dayJanuary 12 AM - 72° (Comfortable) - NighttimeJanuary 1 AM - 72° (Comfortable) - NighttimeJanuary 2 AM - 72° (Comfortable) - NighttimeJanuary 3 AM - 72° (Comfortable) - NighttimeJanuary 4 AM - 72° (Comfortable) - NighttimeJanuary 5 AM - 71° (Comfortable) - NighttimeJanuary 6 AM - 71° (Comfortable) - NighttimeJanuary 7 AM - 71° (Comfortable) - NighttimeJanuary 8 AM - 72° (Comfortable)January 9 AM - 72° (Comfortable)January 10 AM - 73° (Comfortable)January 11 AM - 74° (Comfortable)January 12 PM - 76° (Warm)January 1 PM - 76° (Warm)January 2 PM - 76° (Warm)January 3 PM - 76° (Warm)January 4 PM - 76° (Warm)January 5 PM - 74° (Comfortable)January 6 PM - 74° (Comfortable)January 7 PM - 73° (Comfortable)January 8 PM - 73° (Comfortable) - NighttimeJanuary 9 PM - 73° (Comfortable) - NighttimeJanuary 10 PM - 73° (Comfortable) - NighttimeJanuary 11 PM - 72° (Comfortable) - NighttimeFebruary 12 AM - 71° (Comfortable) - NighttimeFebruary 1 AM - 71° (Comfortable) - NighttimeFebruary 2 AM - 71° (Comfortable) - NighttimeFebruary 3 AM - 71° (Comfortable) - NighttimeFebruary 4 AM - 70° (Comfortable) - NighttimeFebruary 5 AM - 70° (Comfortable) - NighttimeFebruary 6 AM - 70° (Comfortable) - NighttimeFebruary 7 AM - 70° (Comfortable) - NighttimeFebruary 8 AM - 71° (Comfortable)February 9 AM - 71° (Comfortable)February 10 AM - 72° (Comfortable)February 11 AM - 73° (Comfortable)February 12 PM - 74° (Comfortable)February 1 PM - 75° (Comfortable)February 2 PM - 75° (Comfortable)February 3 PM - 75° (Comfortable)February 4 PM - 75° (Comfortable)February 5 PM - 73° (Comfortable)February 6 PM - 72° (Comfortable)February 7 PM - 72° (Comfortable)February 8 PM - 72° (Comfortable) - NighttimeFebruary 9 PM - 72° (Comfortable) - NighttimeFebruary 10 PM - 71° (Comfortable) - NighttimeFebruary 11 PM - 71° (Comfortable) - NighttimeMarch 12 AM - 71° (Comfortable) - NighttimeMarch 1 AM - 71° (Comfortable) - NighttimeMarch 2 AM - 71° (Comfortable) - NighttimeMarch 3 AM - 71° (Comfortable) - NighttimeMarch 4 AM - 71° (Comfortable) - NighttimeMarch 5 AM - 71° (Comfortable) - NighttimeMarch 6 AM - 71° (Comfortable) - NighttimeMarch 7 AM - 71° (Comfortable)March 8 AM - 72° (Comfortable)March 9 AM - 72° (Comfortable)March 10 AM - 73° (Comfortable)March 11 AM - 74° (Comfortable)March 12 PM - 75° (Comfortable)March 1 PM - 75° (Warm)March 2 PM - 75° (Warm)March 3 PM - 75° (Warm)March 4 PM - 75° (Comfortable)March 5 PM - 73° (Comfortable)March 6 PM - 73° (Comfortable)March 7 PM - 72° (Comfortable)March 8 PM - 72° (Comfortable) - NighttimeMarch 9 PM - 72° (Comfortable) - NighttimeMarch 10 PM - 72° (Comfortable) - NighttimeMarch 11 PM - 71° (Comfortable) - NighttimeApril 12 AM - 73° (Comfortable) - NighttimeApril 1 AM - 73° (Comfortable) - NighttimeApril 2 AM - 73° (Comfortable) - NighttimeApril 3 AM - 73° (Comfortable) - NighttimeApril 4 AM - 73° (Comfortable) - NighttimeApril 5 AM - 73° (Comfortable) - NighttimeApril 6 AM - 73° (Comfortable) - NighttimeApril 7 AM - 73° (Comfortable)April 8 AM - 74° (Comfortable)April 9 AM - 74° (Comfortable)April 10 AM - 75° (Comfortable)April 11 AM - 76° (Warm)April 12 PM - 77° (Warm)April 1 PM - 77° (Warm)April 2 PM - 77° (Warm)April 3 PM - 77° (Warm)April 4 PM - 77° (Warm)April 5 PM - 75° (Comfortable)April 6 PM - 74° (Comfortable)April 7 PM - 74° (Comfortable)April 8 PM - 74° (Comfortable) - NighttimeApril 9 PM - 74° (Comfortable) - NighttimeApril 10 PM - 73° (Comfortable) - NighttimeApril 11 PM - 73° (Comfortable) - NighttimeMay 12 AM - 75° (Warm) - NighttimeMay 1 AM - 75° (Warm) - NighttimeMay 2 AM - 76° (Warm) - NighttimeMay 3 AM - 75° (Warm) - NighttimeMay 4 AM - 75° (Comfortable) - NighttimeMay 5 AM - 76° (Warm) - NighttimeMay 6 AM - 76° (Warm) - NighttimeMay 7 AM - 76° (Warm)May 8 AM - 77° (Warm)May 9 AM - 77° (Warm)May 10 AM - 78° (Warm)May 11 AM - 79° (Warm)May 12 PM - 80° (Warm)May 1 PM - 80° (Warm)May 2 PM - 80° (Warm)May 3 PM - 80° (Warm)May 4 PM - 80° (Warm)May 5 PM - 78° (Warm)May 6 PM - 77° (Warm)May 7 PM - 77° (Warm)May 8 PM - 77° (Warm)May 9 PM - 77° (Warm) - NighttimeMay 10 PM - 76° (Warm) - NighttimeMay 11 PM - 75° (Warm) - NighttimeJune 12 AM - 78° (Warm) - NighttimeJune 1 AM - 78° (Warm) - NighttimeJune 2 AM - 78° (Warm) - NighttimeJune 3 AM - 78° (Warm) - NighttimeJune 4 AM - 77° (Warm) - NighttimeJune 5 AM - 78° (Warm) - NighttimeJune 6 AM - 78° (Warm) - NighttimeJune 7 AM - 78° (Warm)June 8 AM - 79° (Warm)June 9 AM - 79° (Warm)June 10 AM - 79° (Warm)June 11 AM - 80° (Warm)June 12 PM - 82° (Warm)June 1 PM - 82° (Warm)June 2 PM - 82° (Warm)June 3 PM - 82° (Warm)June 4 PM - 82° (Warm)June 5 PM - 80° (Warm)June 6 PM - 79° (Warm)June 7 PM - 79° (Warm)June 8 PM - 79° (Warm)June 9 PM - 78° (Warm) - NighttimeJune 10 PM - 78° (Warm) - NighttimeJune 11 PM - 77° (Warm) - NighttimeJuly 12 AM - 79° (Warm) - NighttimeJuly 1 AM - 79° (Warm) - NighttimeJuly 2 AM - 79° (Warm) - NighttimeJuly 3 AM - 79° (Warm) - NighttimeJuly 4 AM - 79° (Warm) - NighttimeJuly 5 AM - 79° (Warm) - NighttimeJuly 6 AM - 79° (Warm) - NighttimeJuly 7 AM - 79° (Warm)July 8 AM - 80° (Warm)July 9 AM - 81° (Warm)July 10 AM - 81° (Warm)July 11 AM - 82° (Warm)July 12 PM - 83° (Warm)July 1 PM - 83° (Warm)July 2 PM - 83° (Warm)July 3 PM - 83° (Warm)July 4 PM - 83° (Warm)July 5 PM - 81° (Warm)July 6 PM - 80° (Warm)July 7 PM - 80° (Warm)July 8 PM - 80° (Warm)July 9 PM - 80° (Warm) - NighttimeJuly 10 PM - 80° (Warm) - NighttimeJuly 11 PM - 79° (Warm) - NighttimeAugust 12 AM - 80° (Warm) - NighttimeAugust 1 AM - 80° (Warm) - NighttimeAugust 2 AM - 81° (Warm) - NighttimeAugust 3 AM - 80° (Warm) - NighttimeAugust 4 AM - 80° (Warm) - NighttimeAugust 5 AM - 80° (Warm) - NighttimeAugust 6 AM - 80° (Warm) - NighttimeAugust 7 AM - 81° (Warm)August 8 AM - 81° (Warm)August 9 AM - 82° (Warm)August 10 AM - 82° (Warm)August 11 AM - 83° (Warm)August 12 PM - 84° (Hot)August 1 PM - 84° (Hot)August 2 PM - 85° (Hot)August 3 PM - 85° (Hot)August 4 PM - 84° (Warm)August 5 PM - 82° (Warm)August 6 PM - 82° (Warm)August 7 PM - 81° (Warm)August 8 PM - 81° (Warm)August 9 PM - 81° (Warm) - NighttimeAugust 10 PM - 81° (Warm) - NighttimeAugust 11 PM - 80° (Warm) - NighttimeSeptember 12 AM - 81° (Warm) - NighttimeSeptember 1 AM - 80° (Warm) - NighttimeSeptember 2 AM - 81° (Warm) - NighttimeSeptember 3 AM - 81° (Warm) - NighttimeSeptember 4 AM - 80° (Warm) - NighttimeSeptember 5 AM - 81° (Warm) - NighttimeSeptember 6 AM - 81° (Warm) - NighttimeSeptember 7 AM - 81° (Warm)September 8 AM - 82° (Warm)September 9 AM - 82° (Warm)September 10 AM - 83° (Warm)September 11 AM - 83° (Warm)September 12 PM - 85° (Hot)September 1 PM - 85° (Hot)September 2 PM - 85° (Hot)September 3 PM - 85° (Hot)September 4 PM - 84° (Hot)September 5 PM - 83° (Warm)September 6 PM - 82° (Warm)September 7 PM - 82° (Warm)September 8 PM - 82° (Warm) - NighttimeSeptember 9 PM - 82° (Warm) - NighttimeSeptember 10 PM - 81° (Warm) - NighttimeSeptember 11 PM - 80° (Warm) - NighttimeOctober 12 AM - 80° (Warm) - NighttimeOctober 1 AM - 80° (Warm) - NighttimeOctober 2 AM - 80° (Warm) - NighttimeOctober 3 AM - 80° (Warm) - NighttimeOctober 4 AM - 79° (Warm) - NighttimeOctober 5 AM - 80° (Warm) - NighttimeOctober 6 AM - 80° (Warm) - NighttimeOctober 7 AM - 80° (Warm)October 8 AM - 81° (Warm)October 9 AM - 81° (Warm)October 10 AM - 82° (Warm)October 11 AM - 83° (Warm)October 12 PM - 84° (Warm)October 1 PM - 84° (Warm)October 2 PM - 84° (Warm)October 3 PM - 84° (Warm)October 4 PM - 83° (Warm)October 5 PM - 82° (Warm)October 6 PM - 81° (Warm)October 7 PM - 81° (Warm)October 8 PM - 81° (Warm) - NighttimeOctober 9 PM - 81° (Warm) - NighttimeOctober 10 PM - 80° (Warm) - NighttimeOctober 11 PM - 79° (Warm) - NighttimeNovember 12 AM - 77° (Warm) - NighttimeNovember 1 AM - 77° (Warm) - NighttimeNovember 2 AM - 77° (Warm) - NighttimeNovember 3 AM - 76° (Warm) - NighttimeNovember 4 AM - 76° (Warm) - NighttimeNovember 5 AM - 76° (Warm) - NighttimeNovember 6 AM - 77° (Warm) - NighttimeNovember 7 AM - 76° (Warm)November 8 AM - 77° (Warm)November 9 AM - 78° (Warm)November 10 AM - 78° (Warm)November 11 AM - 79° (Warm)November 12 PM - 80° (Warm)November 1 PM - 80° (Warm)November 2 PM - 81° (Warm)November 3 PM - 80° (Warm)November 4 PM - 80° (Warm)November 5 PM - 78° (Warm)November 6 PM - 78° (Warm)November 7 PM - 77° (Warm) - NighttimeNovember 8 PM - 78° (Warm) - NighttimeNovember 9 PM - 77° (Warm) - NighttimeNovember 10 PM - 77° (Warm) - NighttimeNovember 11 PM - 76° (Warm) - NighttimeDecember 12 AM - 74° (Comfortable) - NighttimeDecember 1 AM - 74° (Comfortable) - NighttimeDecember 2 AM - 74° (Comfortable) - NighttimeDecember 3 AM - 74° (Comfortable) - NighttimeDecember 4 AM - 74° (Comfortable) - NighttimeDecember 5 AM - 74° (Comfortable) - NighttimeDecember 6 AM - 74° (Comfortable) - NighttimeDecember 7 AM - 73° (Comfortable) - NighttimeDecember 8 AM - 74° (Comfortable)December 9 AM - 74° (Comfortable)December 10 AM - 75° (Comfortable)December 11 AM - 76° (Warm)December 12 PM - 77° (Warm)December 1 PM - 77° (Warm)December 2 PM - 78° (Warm)December 3 PM - 78° (Warm)December 4 PM - 77° (Warm)December 5 PM - 76° (Warm)December 6 PM - 75° (Comfortable)December 7 PM - 75° (Comfortable) - NighttimeDecember 8 PM - 75° (Comfortable) - NighttimeDecember 9 PM - 75° (Comfortable) - NighttimeDecember 10 PM - 75° (Comfortable) - NighttimeDecember 11 PM - 74° (Comfortable) - Nighttime12 AM6 AM12 PM6 PM11 PMJanFebMarAprMayJunJulAugSepOctNovDec
ComfortableWarmHotNight hours

Clear sky

Partly cloudy skies this month.

56%May Clear sky
0%25%50%75%100%62% Clear skyJFMAMJJASONDSelected month · 56% Clear sky56% Clear sky
Clear skyCloud

Wind pattern

Calm winds are typical in May.

7 mphMay Light breeze
CalmBreezyWindymph05101520257 mphJFMAMJJASONDSelected month · 7 mph7 mph

Sea temperature

77°FMay sea temp
70°75°85°Comfortable swim 75°+81°76°JFMAMJJASONDSelected month · 77°77°
More detailIncludes daypart comfort⌄
Typical May day

May late afternoons are around 77°F, easing to about 75°F in early evening.

Avg temp Typical range
Morning76°F
Rain34%
Cloud52%
Humid airHigh
Sun intensityModerate
Midday79°F
Rain42%
Cloud62%
Humid airHigh
Sun intensityStrong
Late afternoon78°F
Rain41%
Cloud62%
Humid airHigh
Sun intensityStrong
Early evening75°F
Feels 77°F
Rain21%
Cloud48%
Humid airVery high
Sun intensityMinimal
Best window
Data table

View month-by-month numbers

⌄
Month High°FLow°FRaininWet days SunhHumidity%Sea°F
Jan76682.6106.18076
Feb75682.3105.87976
Mar76683.4135.77976
Apr77692.1156.38076
May79712.4157.67977
Jun80732.2157.97979
Jul81742.2168.17979
Aug82742.3158.07980
Sep82742.2167.67981
Oct81742.8166.08080
Nov79722.8145.48179
Dec77703.4135.88177

Similar climates

Similar

BSimilar travel styleBig IslandUnited StatesHSimilar travel styleHuatulcoMexicoNSimilar travel styleNassauBahamasBSimilar travel styleBridgetownBarbados

Want a side-by-side climate view? Compare Kauai with Big Island.

Climate data notePlanning guidance, not a forecast

Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.

Sunshine: source type is not yet identified at metric level.

Local microclimates can vary by beach, neighborhood, trail, or elevation.

Last updated: Jun 29, 2026

Data & methodology