St. JohnUS Virgin Islands · Caribbean · July

July climate

BeachIslandNature

July in St. John

US Virgin Islands · Caribbean

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

Good overall

Daytime high

82°F

Lows around 80°F

Rain

Frequent rain

Sun

6 h/day

Air feel

Very humid

Sea temp

83°F

Great for swimming

Wind

17 mph

Windy

When to visit

Month-by-month fit

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Window: Jul–Aug. Showing July.

Temperature

Warm by day, warm at night.

82°Ftypical July high

Typical range

Precipitation

Rain is frequent. About 16 wet days, more than in most months.

52%wet-day frequency

AmountWet-day chance

Sunshine

A mix of sunshine and cloud.

5.9 hJuly sunshine

Heat & humidity by month

Very humid air is a major factor this month.

63%July Heat feel

Easy airWarm airHumid airVery humid air

Hourly temperature pattern

In July, afternoons feel about 83° and nights feel near 81°.

ComfortableWarmHotNight hours

Clear sky

Partly cloudy skies this month.

48%July Clear sky

Clear skyCloud

Wind pattern

Wind can affect exposed beach comfort.

17 mphJuly Windy

Sea temperature

83°FJuly sea temp

More detailIncludes daypart comfort

Typical July day

July stays around 81°F through the day and night.

Avg temp Typical range

Morning81°F

Rain25%

Cloud50%

Humid airVery high

Sun intensityModerate

Midday81°F

Rain21%

Cloud48%

Humid airVery high

Sun intensityStrong

Late afternoon81°F

Rain21%

Cloud49%

Humid airVery high

Sun intensityStrong

Early evening81°F

Rain25%

Cloud53%

Humid airVery high

Sun intensityMinimal

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Data table

View month-by-month numbers

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.2	10	6.9	77	80
Feb	78	76	1.0	7	7.3	77	80
Mar	78	76	0.9	7	7.2	76	80
Apr	79	76	1.6	9	6.9	78	80
May	80	78	2.8	13	5.0	81	82
Jun	82	79	2.3	12	5.2	81	83
Jul	82	80	3.3	16	5.9	81	83
Aug	83	80	4.3	17	5.5	82	84
Sep	83	80	5.1	18	4.5	81	85
Oct	82	80	5.5	18	4.7	81	85
Nov	81	78	4.9	16	5.4	80	83
Dec	80	77	1.9	12	6.4	78	82

Similar climates

Want a side-by-side climate view? Compare St. John with St. Lucia.

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 13, 2026

Data & methodology

Month

High°F

Low°F

Rainin

Wet days

Sunh

Humidity%

Sea°F

Jan

1.2

6.9

Feb

1.0

7.3

Mar

0.9

7.2

Apr

1.6

6.9

May

2.8

5.0

Jun

2.3

5.2

Jul

3.3

5.9

Aug

4.3

5.5

Sep

5.1

4.5

Oct

5.5

4.7

Nov

4.9

5.4

Dec

1.9

6.4

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.2	10	6.9	77	80
Feb	78	76	1.0	7	7.3	77	80
Mar	78	76	0.9	7	7.2	76	80
Apr	79	76	1.6	9	6.9	78	80
May	80	78	2.8	13	5.0	81	82
Jun	82	79	2.3	12	5.2	81	83
Jul	82	80	3.3	16	5.9	81	83
Aug	83	80	4.3	17	5.5	82	84
Sep	83	80	5.1	18	4.5	81	85
Oct	82	80	5.5	18	4.7	81	85
Nov	81	78	4.9	16	5.4	80	83
Dec	80	77	1.9	12	6.4	78	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.2	10	6.9	77	80
Feb	78	76	1.0	7	7.3	77	80
Mar	78	76	0.9	7	7.2	76	80
Apr	79	76	1.6	9	6.9	78	80
May	80	78	2.8	13	5.0	81	82
Jun	82	79	2.3	12	5.2	81	83
Jul	82	80	3.3	16	5.9	81	83
Aug	83	80	4.3	17	5.5	82	84
Sep	83	80	5.1	18	4.5	81	85
Oct	82	80	5.5	18	4.7	81	85
Nov	81	78	4.9	16	5.4	80	83
Dec	80	77	1.9	12	6.4	78	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.2	10	6.9	77	80
Feb	78	76	1.0	7	7.3	77	80
Mar	78	76	0.9	7	7.2	76	80
Apr	79	76	1.6	9	6.9	78	80
May	80	78	2.8	13	5.0	81	82
Jun	82	79	2.3	12	5.2	81	83
Jul	82	80	3.3	16	5.9	81	83
Aug	83	80	4.3	17	5.5	82	84
Sep	83	80	5.1	18	4.5	81	85
Oct	82	80	5.5	18	4.7	81	85
Nov	81	78	4.9	16	5.4	80	83
Dec	80	77	1.9	12	6.4	78	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.2	10	6.9	77	80
Feb	78	76	1.0	7	7.3	77	80
Mar	78	76	0.9	7	7.2	76	80
Apr	79	76	1.6	9	6.9	78	80
May	80	78	2.8	13	5.0	81	82
Jun	82	79	2.3	12	5.2	81	83
Jul	82	80	3.3	16	5.9	81	83
Aug	83	80	4.3	17	5.5	82	84
Sep	83	80	5.1	18	4.5	81	85
Oct	82	80	5.5	18	4.7	81	85
Nov	81	78	4.9	16	5.4	80	83
Dec	80	77	1.9	12	6.4	78	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.2	10	6.9	77	80
Feb	78	76	1.0	7	7.3	77	80
Mar	78	76	0.9	7	7.2	76	80
Apr	79	76	1.6	9	6.9	78	80
May	80	78	2.8	13	5.0	81	82
Jun	82	79	2.3	12	5.2	81	83
Jul	82	80	3.3	16	5.9	81	83
Aug	83	80	4.3	17	5.5	82	84
Sep	83	80	5.1	18	4.5	81	85
Oct	82	80	5.5	18	4.7	81	85
Nov	81	78	4.9	16	5.4	80	83
Dec	80	77	1.9	12	6.4	78	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	78	76	1.2	10	6.9	77	80
Feb	78	76	1.0	7	7.3	77	80
Mar	78	76	0.9	7	7.2	76	80
Apr	79	76	1.6	9	6.9	78	80
May	80	78	2.8	13	5.0	81	82
Jun	82	79	2.3	12	5.2	81	83
Jul	82	80	3.3	16	5.9	81	83
Aug	83	80	4.3	17	5.5	82	84
Sep	83	80	5.1	18	4.5	81	85
Oct	82	80	5.5	18	4.7	81	85
Nov	81	78	4.9	16	5.4	80	83
Dec	80	77	1.9	12	6.4	78	82