August could be a good time to visit St Croix Island, as the weather is generally fine. The average high temperature is around +82°F, and there are typically 2 sunny days in August. However, expect about 27 rainy days, and total monthly rainfall of approximately 117 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+82°F
Avg. max. temperature
+73°F
Min.
+91°F
Max.
117 mm
Total precipitation
80%
Avg. humidity
5 m/s
Avg. wind
2 ☀️
Sunny Days
3 ⛅️
Cloudy
27 🌦
Rainy
Our opinion: St Croix Island has OK weather in August.
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Average temperature in St Croix Island in August
Here are the expected maximum, average and minimum temperatures in St Croix Island for August based on the historical data.
Last Year
Historical Data
The expected average maximum temperature in August is +84°F with a maximum of +86°F and a minimum of +79°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +84°F to +84°F.
Is St Croix Island warm or cold in August?
St Croix Island is typically warm in August.
Maximum temperatures go up compared to the previous month from +82°F to +82°F. The minimum temperature also goes up from +79°F to +79°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is one of the warmest months in St Croix Island, here is the comparison with other months:
Climate in St Croix Island in August
St Croix Island weather looks like this, on average, in August and the surrounding months.
July
August
September
Avg. temperature
+82°F
+82°F
+82°F
Min. temperature
+73°F
+73°F
+72°F
Max. temperature
+91°F
+91°F
+91°F
Rainfall
95 mm
117 mm
148 mm
Wind
6 m/s
5 m/s
4 m/s
Humidity
79%
80%
80%
Air pressure
1015 HPa
1014 HPa
1013 HPa
Sunny days
1
2
2
Cloudy days
3
3
2
Rainy days
26
27
26
Snowy days
0
0
0
August weather is still as ok as in July.The temperature levels stay the same in the area of +82°F for average maximum temperature during the day.Prepare for more rain. Average rainfall goes from 95 mm to 117 mm.Humidity rises from 79% to 80%.Winds are calmer in comparison to July, going down from 6 m/s to 5 m/s on average.The good news is there are likely to be more sunny days in August, from 1 to 2.
September brings much the same weather, it remains ok.
Wind speed in St Croix Island in August based on historical data.
Last Year
Historical Data
The average wind speed is 4 m/s getting up to 8 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 August, going from 3 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during August in St Croix Island based on historical data.
Last Year
Historical Data
Total precipitation in August is about 150 mm, with a 65% chance of rain on a typical day. The maximum amount of rainfall per day is around 28 mm, which is moderate rain.August is a pretty wet month with over 20 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how August 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 August in St Croix Island?
This is the weather in St Croix Island in August 2024:
1 August
🌧️
+84°F
2 August
☀️
+84°F
3 August
🌧️
+83°F
4 August
🌧️
+83°F
5 August
☀️
+84°F
6 August
🌧️
+84°F
7 August
☁️
+84°F
8 August
🌧️
+84°F
9 August
🌧️
+83°F
10 August
🌧️
+85°F
11 August
☀️
+84°F
12 August
☀️
+84°F
13 August
☀️
+84°F
14 August
☀️
+85°F
15 August
☁️
+84°F
16 August
☀️
+84°F
17 August
🌫️
+82°F
18 August
🌧️
+84°F
19 August
🌧️
+84°F
20 August
🌧️
+83°F
21 August
🌧️
+83°F
22 August
🌧️
+83°F
23 August
☁️
+83°F
24 August
☁️
+83°F
25 August
☁️
+83°F
26 August
☁️
+84°F
27 August
☀️
+85°F
28 August
☀️
+85°F
29 August
☁️
+84°F
30 August
☁️
+84°F
31 August
☀️
+85°F
In August 2024 St Croix Island had 10 sunny days, 8 cloudy days, and 12 rainy days. The average maximum temperature was +84°F, with an absolute maximum of +86°F and a minimum of +82°F. The average humidity was 81%, with a maximum of 94% and a minimum of 1%. The average wind speed was 4 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in August?
Climate Change Over the Years
This is how St Croix Island climate has changed over the last 43 years.
The climate in St Croix Island in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1985 (+78°F) and the highest in 2020 (+86°F). 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 August:
Is August 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 August, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in St Croix Island in August?
August 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 August?
St Croix Island is often rainy in August. 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 August?
Usually, it’s not very sunny in St Croix Island in August, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
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.
