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St Croix Island in July: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in St Croix Island in July will be like? Take a look at our weather guide for St Croix Island, based on historical data.
Check flight prices to St Croix Island on Avionero:
July

Weather in St Croix Island in July 2026

OK Weather
Warm
🌧️
Rainy
If you plan to visit St Croix Island in July, the weather is typically alright, with an average high temperature of +28°C during the day and approximately 1 sunny days. Expect some rainy, though, as there are typically 26 rainy days in the month and around 95 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+28°C
Avg. max. temperature
+23°C
Min.
+33°C
Max.
95 mm
Total precipitation
79%
Avg. humidity
6 m/s
Avg. wind
1 ☀️
Sunny Days
3 ⛅️
Cloudy
26 🌦
Rainy
Our opinion: St Croix Island has OK weather in July.

Average temperature in St Croix Island in July

Here are the expected maximum, average and minimum temperatures in St Croix Island for July based on the historical data.
Last Year
Historical Data

Going from a maximum of +29°C during the day to a minimum of +26°C during the night, the temperature in July averages around +28°C.

The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +28°C to +28°C.

Is St Croix Island warm or cold in July?

St Croix Island is typically warm in July.

Maximum temperatures go up compared to the previous month from +27°C to +28°C. The minimum temperature also goes up from +26°C to +26°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how July is compared to other months in St Croix Island:

Climate in St Croix Island in July

St Croix Island weather looks like this, on average, in July and the surrounding months.
JuneJulyAugust
Avg. temperature
+27°C+28°C+28°C
Min. temperature
+22°C+23°C+23°C
Max. temperature
+33°C+33°C+33°C
Rainfall
73 mm95 mm117 mm
Wind
5 m/s6 m/s5 m/s
Humidity
79%79%80%
Air pressure
1015 HPa1015 HPa1014 HPa
Sunny days
112
Cloudy days
533
Rainy days
232627
Snowy days
000

July weather is still as ok as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +27°C to +28°C during the day. Prepare for more rain. Average rainfall goes from 73 mm to 95 mm. Humidity levels don’t change as the month goes on, averaging around 79%. Winds are stronger in comparison to June, going up from 5 m/s to 6 m/s on average. The amount of sunny days stay about the same, averaging 1 sunny days during the month.

August brings much the same weather, it remains ok.

Wind

Wind speed in St Croix Island in July based on historical data.
Last Year
Historical Data

The average wind speed is 5 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in St Croix Island is gradually decreasing during July, going from 5 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during July in St Croix Island based on historical data.
Last Year
Historical Data
Typically, there is a 65% chance of rain on an average day in July, with total rainfall of approximately 95 mm. The maximum amount of rainfall per day is around 20 mm, which is considered light rain. July is a pretty wet month with over 20 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how July is compared with other months in the amount of precipitation, total mm:
St Croix Island wettest month is September, where a typical day has a 87% chance of precipitation and 148 mm of rainfall per day. March, on the other hand, is the driest month with a mere 61% chance of precipitation and 30 mm of rainfall per day.

How was the weather last July in St Croix Island?

This is the weather in St Croix Island in July 2024:
1 July
☁️
+28°C
2 July
☁️
+29°C
3 July
☁️
+29°C
4 July
🌧️
+28°C
5 July
☁️
+28°C
6 July
☁️
+28°C
7 July
☁️
+28°C
8 July
🌧️
+28°C
9 July
🌧️
+28°C
10 July
☀️
+29°C
11 July
☁️
+28°C
12 July
🌧️
+28°C
13 July
☀️
+29°C
14 July
☁️
+28°C
15 July
☁️
+28°C
16 July
🌧️
+28°C
17 July
🌧️
+28°C
18 July
🌧️
+29°C
19 July
☁️
+29°C
20 July
🌫️
+28°C
21 July
☁️
+29°C
22 July
☀️
+28°C
23 July
☁️
+28°C
24 July
☀️
+28°C
25 July
🌧️
+28°C
26 July
☁️
+28°C
27 July
☁️
+29°C
28 July
☀️
+29°C
29 July
🌧️
+29°C
30 July
☁️
+28°C
31 July
🌧️
+28°C
In July 2024 St Croix Island had 5 sunny days, 15 cloudy days, and 10 rainy days. The average maximum temperature was +28°C, with an absolute maximum of +29°C and a minimum of +28°C. The average humidity was 80%, with a maximum of 94% and a minimum of 1%. The average wind speed was 5 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in July?

Climate Change over Years

This is how St Croix Island climate have been changing during last 43 years period.

The climate in St Croix Island in July has not changed much over the last 43 years.

The average temperature was the lowest in 1985 (+26°C) and the highest in 2020 (+30°C). The driest year was 1994 with only 509 mm of rainfall, and the wettest year was 2010 with 1690 mm.

FAQ

Frequently asked questions about the weather in St Croix Island in July:

Is July a good time to visit St Croix Island?

It’s always a good time to visit St Croix Island, but the weather is changeable in July, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in St Croix Island in July?

July is warm in St Croix Island. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is St Croix Island rainy in July?

St Croix Island is often rainy in July. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in St Croix Island in July?

Usually, it’s not very sunny in St Croix Island in July, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Monthly weather in St Croix Island

Source of the data

For this page, we’ve looked at the typical weather in St Croix Island, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.