Saint John
May
Weather in Saint John for May 2025
Your guide to Saint John weather in May - trends and predictions
In general, the average temperature in Saint John at the beginning of May is 11.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 16.7 °C by the end of May.
With an average of 5 rainy days, Saint John experiences minimal rainfall in May.
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26
Dry days
5
Rainy days
0
Snow days
15°/5°
Temperatures
19 km/h
Avg max wind
75 %
Avg humidity
Saint John in May average weather
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Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 10° | 2 12° | 3 8° | 4 9° | |||
5 13° | 6 13° | 7 16° | 8 13° | 9 11° | 10 13° | 11 14° |
12 14° | 13 15° | 14 11° | 15 17° | 16 15° | 17 15° | 18 14° |
19 12° | 20 15° | 21 14° | 22 15° | 23 15° | 24 15° | 25 15° |
26 13° | 27 18° | 28 19° | 29 17° | 30 17° | 31 18° |
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Temperatures trend during May in Saint John
See the weather trend as well as the moving average line
May weather day by day
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Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 May | Moderate or heavy rain shower | 10° /4° | 19.2 mm | 3 | |
2 May | Overcast | 12° /5° | 0.3 mm | 3 | |
3 May | Patchy rain possible | 8° /3° | 0.3 mm | 3 | |
4 May | Patchy rain possible | 9° /3° | 1.2 mm | 3 | |
5 May | Overcast | 13° /3° | 0 mm | 4 | |
6 May | Overcast | 13° /4° | 1.4 mm | 3 | |
7 May | Partly cloudy | 16° /6° | 0 mm | 5 | |
8 May | Patchy rain possible | 13° /3° | 1.5 mm | 3 | |
9 May | Overcast | 11° /3° | 0.7 mm | 3 | |
10 May | Overcast | 13° /1° | 0 mm | 4 | |
11 May | Cloudy | 14° /5° | 0.1 mm | 4 | |
12 May | Partly cloudy | 14° /3° | 0 mm | 4 | |
13 May | Moderate rain at times | 15° /5° | 1.6 mm | 4 | |
14 May | Overcast | 11° /4° | 1.5 mm | 3 | |
15 May | Cloudy | 17° /5° | 0.1 mm | 4 | |
16 May | Moderate rain at times | 15° /7° | 4.2 mm | 4 | |
17 May | Moderate rain at times | 15° /5° | 2.5 mm | 4 | |
18 May | Partly cloudy | 14° /4° | 0 mm | 4 | |
19 May | Overcast | 12° /6° | 2.7 mm | 3 | |
20 May | Cloudy | 15° /7° | 0.3 mm | 4 | |
21 May | Moderate or heavy rain shower | 14° /9° | 26.8 mm | 3 | |
22 May | Sunny | 15° /7° | 0.9 mm | 4 | |
23 May | Sunny | 15° /5° | 2.7 mm | 5 | |
24 May | Sunny | 15° /7° | 0.2 mm | 4 | |
25 May | Patchy rain possible | 15° /6° | 0.4 mm | 4 | |
26 May | Patchy rain possible | 13° /6° | 0.6 mm | 3 | |
27 May | Partly cloudy | 18° /6° | 0 mm | 5 | |
28 May | Partly cloudy | 19° /9° | 6.8 mm | 5 | |
29 May | Sunny | 17° /8° | 0.3 mm | 5 | |
30 May | Partly cloudy | 17° /6° | 0 mm | 5 | |
31 May | Sunny | 18° /6° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Saint John in May 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 forecast closer to your planned date for the most up-to-date weather information.
Saint John in May - FAQ
What are the expected maximum and minimum temperatures in Saint John during May?
During May, expect a variety of temperatures with highs around 15° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint John during May?
Significant rainfall exceeding 138.3 mm is expected in Saint John during May, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint John during May?
The average wind speed in Saint John during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Saint John
Explore the daily rainfall trends and prepare for Saint Johns May weather 💧
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