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Weather in Saint John County for August 2025

Your guide to Saint John County weather in August - trends and predictions
  • In general, the average temperature in Saint John County at the beginning of August is 21 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 19.9 °C by the end of August.

  • Expect significant rainfall in Saint John County during August, with an average of 19 rainy days.

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Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/13°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Saint John County in August average weather

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Temperatures trend during August in Saint John County

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. Patchy rain possible
Patchy rain possible
21° /13° 1.7 mm 5
2 Aug. Cloudy
Cloudy
24° /14° 0.1 mm 6
3 Aug. Cloudy
Cloudy
19° /13° 0.3 mm 5
4 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /14° 4.5 mm 5
5 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /14° 17.4 mm 5
6 Aug. Patchy rain possible
Patchy rain possible
22° /13° 0.4 mm 5
7 Aug. Patchy rain possible
Patchy rain possible
21° /13° 0.4 mm 6
8 Aug. Patchy rain possible
Patchy rain possible
20° /12° 3 mm 5
9 Aug. Heavy rain at times
Heavy rain at times
19° /13° 16.7 mm 4
10 Aug. Partly cloudy
Partly cloudy
20° /15° 8.3 mm 5
11 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
21° /13° 25.8 mm 5
12 Aug. Partly cloudy
Partly cloudy
21° /13° 0 mm 6
13 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
21° /12° 17 mm 6
14 Aug. Patchy rain possible
Patchy rain possible
22° /13° 0.7 mm 5
15 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /14° 4.2 mm 5
16 Aug. Overcast
Overcast
22° /13° 0 mm 6
17 Aug. Overcast
Overcast
21° /12° 0 mm 6
18 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /13° 16.4 mm 5
19 Aug. Patchy rain possible
Patchy rain possible
21° /14° 1.8 mm 5
20 Aug. Patchy rain possible
Patchy rain possible
18° /14° 5.8 mm 4
21 Aug. Patchy rain possible
Patchy rain possible
19° /13° 1.4 mm 5
22 Aug. Cloudy
Cloudy
21° /12° 0.6 mm 5
23 Aug. Cloudy
Cloudy
21° /10° 0.1 mm 5
24 Aug. Partly cloudy
Partly cloudy
22° /12° 0 mm 6
25 Aug. Mist
Mist
20° /11° 2.4 mm 5
26 Aug. Light rain shower
Light rain shower
19° /13° 60.7 mm 5
27 Aug. Fog
Fog
20° /12° 0.4 mm 5
28 Aug. Sunny
Sunny
21° /11° 0.4 mm 6
29 Aug. Mist
Mist
21° /8° 4.6 mm 6
30 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
19° /11° 32.5 mm 5
31 Aug. Overcast
Overcast
19° /9° 0.1 mm 5
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Important Notice
Our weather forecast for Saint John County 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 County forecast closer to your planned date for the most up-to-date weather information.

Saint John County in August - FAQ

What are the expected maximum and minimum temperatures in Saint John County during August?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint John County during August?
Significant rainfall exceeding 403.9 mm is expected in Saint John County during August, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint John County during August?
The average wind speed in Saint John County during August is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Saint John County

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

UV exposure in Saint John County 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 County?

Get accurate weather forecasts for Saint John County, located at latitude 45.271 and longitude -66.056. Stay updated with localized weather information tailored for Saint John County.

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