New Brunswick (Saint John)
May
Weather in New Brunswick for May 2027
Your guide to New Brunswick weather in May - trends and predictions
In general, the average temperature in New Brunswick at the beginning of May is 11.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 15.3 °C by the end of May.
New Brunswick experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 157.4 mm.
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Temperatures
Rain 🌧️
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8
Dry days
23
Rainy days
0
Snow days
13°/5°
Temperatures
19 km/h
Avg max wind
77 %
Avg humidity
New Brunswick Weather May
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What’s the Weather Like in New Brunswick This May?
Discover the average temperatures and weather trends across New Brunswick’s cities this May.
Temperatures trend during May in New Brunswick
See the weather trend as well as the moving average line
May weather in New Brunswick day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Overcast | 11° /4° | 18.5 mm | 2 | |
| 2 May | Overcast | 11° /4° | 2.4 mm | 4 | |
| 3 May |  Patchy rain possible | 10° /3° | 8.6 mm | 2 | |
| 4 May | Patchy rain possible | 11° /4° | 4.4 mm | 4 | |
| 5 May | Overcast | 13° /4° | 0.6 mm | 4 | |
| 6 May | Overcast | 11° /5° | 1.3 mm | 2 | |
| 7 May |  Partly cloudy | 14° /6° | 13.5 mm | 3 | |
| 8 May | Patchy rain possible | 13° /4° | 1.5 mm | 4 | |
| 9 May | Overcast | 11° /3° | 0.6 mm | 4 | |
| 10 May | Overcast | 11° /3° | 13.2 mm | 3 | |
| 11 May |  Cloudy | 14° /5° | 0.9 mm | 4 | |
| 12 May | Partly cloudy | 13° /4° | 0 mm | 5 | |
| 13 May | Partly cloudy | 15° /5° | 1.4 mm | 5 | |
| 14 May | Overcast | 14° /4° | 1 mm | 3 | |
| 15 May | Cloudy | 16° /6° | 0.1 mm | 4 | |
| 16 May |  Moderate rain at times | 15° /7° | 2.1 mm | 5 | |
| 17 May | Moderate rain at times | 15° /5° | 5.5 mm | 4 | |
| 18 May | Overcast | 14° /5° | 4.7 mm | 5 | |
| 19 May | Overcast | 13° /6° | 5 mm | 3 | |
| 20 May | Cloudy | 15° /7° | 1.1 mm | 3 | |
| 21 May | Moderate or heavy rain shower | 13° /7° | 17.9 mm | 3 | |
| 22 May |  Sunny | 15° /5° | 0.5 mm | 5 | |
| 23 May | Sunny | 13° /4° | 19.6 mm | 5 | |
| 24 May | Sunny | 14° /6° | 1.1 mm | 4 | |
| 25 May | Patchy rain possible | 13° /6° | 13.9 mm | 3 | |
| 26 May | Cloudy | 15° /7° | 0.3 mm | 4 | |
| 27 May | Partly cloudy | 18° /5° | 3.8 mm | 4 | |
| 28 May | Partly cloudy | 17° /7° | 4.2 mm | 4 | |
| 29 May | Sunny | 15° /7° | 0.7 mm | 4 | |
| 30 May | Partly cloudy | 14° /6° | 0.1 mm | 4 | |
| 31 May | Sunny | 15° /5° | 9.2 mm | 5 | |
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Important Notice
Our weather forecast for New Brunswick 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 New Brunswick forecast closer to your planned date for the most up-to-date weather information.
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New Brunswick in May - FAQ
What are the expected maximum and minimum temperatures in New Brunswick during May?
During May, expect a variety of temperatures with highs around 13° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in New Brunswick during May?
Significant rainfall exceeding 157.4 mm is expected in New Brunswick during May, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in New Brunswick during May?
The average wind speed in New Brunswick during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in New Brunswick
Explore the daily rainfall trends and prepare for New Brunswicks May weather 💧
Typically, New Brunswick has 23 rainy days in May with a total of 157.4 mm of rainfall.
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