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Weather in Saint John’s for August 2025

Your guide to Saint John’s weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in Saint John’s at the beginning of August is 29.1 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 29 °C by the end of August.

  • Rain 🌧️

  • Saint John’s experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 154.7 mm.

Average dry days
3
Dry days
Average rainy days
28
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/27°
Temperatures
Average wind speed
30 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Saint John’s in August average weather

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Temperatures trend during August in Saint John’s

See the weather trend as well as the moving average line

August weather day by day

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Date Weather Temperatures Rain UV More
1 Aug. Overcast
Overcast
30° /28° 3.1 mm 7
2 Aug. Patchy rain possible
Patchy rain possible
29° /27° 1.9 mm 7
3 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /27° 4 mm 6
4 Aug. Heavy rain at times
Heavy rain at times
29° /27° 4.7 mm 6
5 Aug. Moderate rain at times
Moderate rain at times
29° /28° 1.9 mm 6
6 Aug. Heavy rain at times
Heavy rain at times
29° /27° 4.6 mm 6
7 Aug. Moderate rain at times
Moderate rain at times
29° /27° 3.6 mm 6
8 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /27° 14.3 mm 6
9 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /28° 7.3 mm 6
10 Aug. Patchy rain possible
Patchy rain possible
29° /27° 4.5 mm 6
11 Aug. Patchy rain possible
Patchy rain possible
29° /27° 2.3 mm 6
12 Aug. Patchy rain possible
Patchy rain possible
29° /27° 2.2 mm 6
13 Aug. Cloudy
Cloudy
29° /26° 18.4 mm 6
14 Aug. Patchy rain possible
Patchy rain possible
29° /27° 2.3 mm 6
15 Aug. Patchy rain possible
Patchy rain possible
29° /28° 0.8 mm 6
16 Aug. Patchy rain possible
Patchy rain possible
29° /28° 1.2 mm 6
17 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
28° /27° 5.2 mm 6
18 Aug. Patchy rain possible
Patchy rain possible
29° /27° 0.9 mm 6
19 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /28° 3.5 mm 6
20 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
28° /26° 28.7 mm 6
21 Aug. Moderate rain at times
Moderate rain at times
28° /26° 2.8 mm 6
22 Aug. Patchy rain possible
Patchy rain possible
29° /27° 4.3 mm 6
23 Aug. Partly cloudy
Partly cloudy
29° /27° 1.5 mm 7
24 Aug. Sunny
Sunny
29° /27° 2.3 mm 7
25 Aug. Patchy rain possible
Patchy rain possible
29° /27° 2.1 mm 6
26 Aug. Light rain shower
Light rain shower
29° /28° 4.5 mm 6
27 Aug. Patchy rain possible
Patchy rain possible
29° /28° 0.7 mm 6
28 Aug. Patchy rain possible
Patchy rain possible
29° /28° 12.3 mm 6
29 Aug. Patchy light rain with thunder
Patchy light rain with thunder
29° /28° 4.3 mm 6
30 Aug. Light rain shower
Light rain shower
29° /28° 3.1 mm 6
31 Aug. Patchy rain possible
Patchy rain possible
29° /28° 1.2 mm 6
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Important Notice
Our weather forecast for Saint John’s in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint John’s forecast closer to your planned date for the most up-to-date weather information.

Saint John’s in August - FAQ

What are the expected maximum and minimum temperatures in Saint John’s during August?
During August, expect a variety of temperatures with highs around 29° and lows near 27°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint John’s during August?
Significant rainfall exceeding 154.7 mm is expected in Saint John’s during August, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint John’s during August?
The average wind speed in Saint John’s during August is 30 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Saint John’s

Explore the daily rainfall trends and prepare for Saint John’ss August weather 💧

UV exposure in Saint John’s during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is Saint John’s?

Get accurate weather forecasts for Saint John’s, located at latitude 17.121 and longitude -61.843. Stay updated with localized weather information tailored for Saint John’s.

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