MustiqueSaint Vincent and the Grenadines · Caribbean · May

May climate

BeachIslandYachting

May in Mustique

Saint Vincent and the Grenadines · Caribbean

Warm days. Humid air and wind on exposed beaches are the main drawbacks.

Good overall

Daytime high

80°F

Lows around 78°F

Rain

Several rainy days

Sun

5 h/day

Air feel

Humid

Sea temp

82°F

Great for swimming

Wind

17 mph

Windy

When to visit

Month-by-month fit

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Temperature

Warm by day, warm at night.

80°Ftypical May high

Typical range

Precipitation

Several rainy days, with mixed-length spells. About 11 wet days, fewer than in most months.

35%wet-day frequency

AmountWet-day chance

Sunshine

Sunshine is limited, with cloud often dominating.

4.9 hMay sunshine

Heat & humidity by month

Warm days, with humid periods.

96%May Heat feel

Warm airHumid airVery humid air

Hourly temperature pattern

In May, afternoons feel about 80° and nights feel near 78°.

ComfortableWarmHotNight hours

Clear sky

Partly cloudy skies this month.

41%May Clear sky

Clear skyCloud

Wind pattern

Wind can affect exposed beach comfort.

17 mphMay Windy

Sea temperature

82°FMay sea temp

More detailIncludes daypart comfort

Typical May day

May stays around 80°F through the day and night.

Avg temp Typical range

Morning79°F

Rain22%

Cloud58%

Humid airVery high

Sun intensityStrong

Midday80°F

Rain19%

Cloud58%

Humid airVery high

Sun intensityStrong

Late afternoon80°F

Rain15%

Cloud59%

Humid airVery high

Sun intensityModerate

Early evening80°F

Rain16%

Cloud55%

Humid airVery high

Sun intensityMinimal

Best window

Data table

View month-by-month numbers

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.6	13	6.6	78	81
Feb	78	76	0.9	9	6.8	77	80
Mar	78	76	1.0	8	6.3	77	80
Apr	79	77	1.4	8	5.4	79	81
May	80	78	1.9	11	4.9	80	82
Jun	81	78	4.0	17	4.4	82	83
Jul	81	78	5.2	21	5.4	82	83
Aug	81	78	5.8	22	5.3	82	84
Sep	82	79	5.3	19	4.5	81	85
Oct	82	79	6.2	22	4.1	82	85
Nov	81	78	5.5	20	4.8	82	84
Dec	80	77	2.5	14	6.0	79	82

Similar climates

Want a side-by-side climate view? Compare Mustique with Phu Quoc.

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 19, 2026

Data & methodology

Month

High°F

Low°F

Rainin

Wet days

Sunh

Humidity%

Sea°F

Jan

1.6

6.6

Feb

0.9

6.8

Mar

1.0

6.3

Apr

1.4

5.4

May

1.9

4.9

Jun

4.0

4.4

Jul

5.2

5.4

Aug

5.8

5.3

Sep

5.3

4.5

Oct

6.2

4.1

Nov

5.5

4.8

Dec

2.5

6.0

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.6	13	6.6	78	81
Feb	78	76	0.9	9	6.8	77	80
Mar	78	76	1.0	8	6.3	77	80
Apr	79	77	1.4	8	5.4	79	81
May	80	78	1.9	11	4.9	80	82
Jun	81	78	4.0	17	4.4	82	83
Jul	81	78	5.2	21	5.4	82	83
Aug	81	78	5.8	22	5.3	82	84
Sep	82	79	5.3	19	4.5	81	85
Oct	82	79	6.2	22	4.1	82	85
Nov	81	78	5.5	20	4.8	82	84
Dec	80	77	2.5	14	6.0	79	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.6	13	6.6	78	81
Feb	78	76	0.9	9	6.8	77	80
Mar	78	76	1.0	8	6.3	77	80
Apr	79	77	1.4	8	5.4	79	81
May	80	78	1.9	11	4.9	80	82
Jun	81	78	4.0	17	4.4	82	83
Jul	81	78	5.2	21	5.4	82	83
Aug	81	78	5.8	22	5.3	82	84
Sep	82	79	5.3	19	4.5	81	85
Oct	82	79	6.2	22	4.1	82	85
Nov	81	78	5.5	20	4.8	82	84
Dec	80	77	2.5	14	6.0	79	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.6	13	6.6	78	81
Feb	78	76	0.9	9	6.8	77	80
Mar	78	76	1.0	8	6.3	77	80
Apr	79	77	1.4	8	5.4	79	81
May	80	78	1.9	11	4.9	80	82
Jun	81	78	4.0	17	4.4	82	83
Jul	81	78	5.2	21	5.4	82	83
Aug	81	78	5.8	22	5.3	82	84
Sep	82	79	5.3	19	4.5	81	85
Oct	82	79	6.2	22	4.1	82	85
Nov	81	78	5.5	20	4.8	82	84
Dec	80	77	2.5	14	6.0	79	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.6	13	6.6	78	81
Feb	78	76	0.9	9	6.8	77	80
Mar	78	76	1.0	8	6.3	77	80
Apr	79	77	1.4	8	5.4	79	81
May	80	78	1.9	11	4.9	80	82
Jun	81	78	4.0	17	4.4	82	83
Jul	81	78	5.2	21	5.4	82	83
Aug	81	78	5.8	22	5.3	82	84
Sep	82	79	5.3	19	4.5	81	85
Oct	82	79	6.2	22	4.1	82	85
Nov	81	78	5.5	20	4.8	82	84
Dec	80	77	2.5	14	6.0	79	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.6	13	6.6	78	81
Feb	78	76	0.9	9	6.8	77	80
Mar	78	76	1.0	8	6.3	77	80
Apr	79	77	1.4	8	5.4	79	81
May	80	78	1.9	11	4.9	80	82
Jun	81	78	4.0	17	4.4	82	83
Jul	81	78	5.2	21	5.4	82	83
Aug	81	78	5.8	22	5.3	82	84
Sep	82	79	5.3	19	4.5	81	85
Oct	82	79	6.2	22	4.1	82	85
Nov	81	78	5.5	20	4.8	82	84
Dec	80	77	2.5	14	6.0	79	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.6	13	6.6	78	81
Feb	78	76	0.9	9	6.8	77	80
Mar	78	76	1.0	8	6.3	77	80
Apr	79	77	1.4	8	5.4	79	81
May	80	78	1.9	11	4.9	80	82
Jun	81	78	4.0	17	4.4	82	83
Jul	81	78	5.2	21	5.4	82	83
Aug	81	78	5.8	22	5.3	82	84
Sep	82	79	5.3	19	4.5	81	85
Oct	82	79	6.2	22	4.1	82	85
Nov	81	78	5.5	20	4.8	82	84
Dec	80	77	2.5	14	6.0	79	82