New Brunswick (Fredericton)
May
Weather in New Brunswick for May 2026
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 13.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.4 °C by the end of May.
New Brunswick in May brings notable rainfall, with an average of 16 rainy days and a total precipitation of 114.9 mm.
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Temperatures
Rain 🌧️
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15
Dry days
16
Rainy days
0
Snow days
16°/6°
Temperatures
17 km/h
Avg max wind
72 %
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 | 12° /2° | 7.6 mm | 3 | |
| 2 May |  Patchy rain possible | 12° /5° | 0.1 mm | 3 | |
| 3 May | Patchy rain possible | 12° /3° | 0.3 mm | 3 | |
| 4 May | Patchy rain possible | 12° /5° | 7.4 mm | 3 | |
| 5 May |  Cloudy | 16° /3° | 0.2 mm | 4 | |
| 6 May |  Partly cloudy | 14° /5° | 1.8 mm | 4 | |
| 7 May | Overcast | 18° /7° | 3.3 mm | 4 | |
| 8 May | Patchy rain possible | 15° /4° | 0.8 mm | 4 | |
| 9 May | Overcast | 12° /2° | 0.8 mm | 3 | |
| 10 May | Partly cloudy | 11° /1° | 10.5 mm | 3 | |
| 11 May | Partly cloudy | 15° /4° | 6.3 mm | 4 | |
| 12 May | Patchy rain possible | 16° /3° | 0.1 mm | 4 | |
| 13 May | Patchy rain possible | 17° /5° | 0.3 mm | 4 | |
| 14 May | Overcast | 16° /5° | 1.3 mm | 4 | |
| 15 May | Overcast | 19° /7° | 0.8 mm | 4 | |
| 16 May |  Moderate or heavy rain shower | 15° /8° | 4.3 mm | 4 | |
| 17 May |  Heavy rain at times | 15° /6° | 1.4 mm | 4 | |
| 18 May | Partly cloudy | 16° /6° | 3 mm | 4 | |
| 19 May |  Sunny | 16° /6° | 0.1 mm | 4 | |
| 20 May | Overcast | 17° /6° | 0.8 mm | 4 | |
| 21 May | Moderate or heavy rain shower | 18° /9° | 19.1 mm | 4 | |
| 22 May | Sunny | 17° /7° | 0.6 mm | 4 | |
| 23 May | Sunny | 16° /7° | 23.2 mm | 4 | |
| 24 May | Partly cloudy | 17° /7° | 0.1 mm | 4 | |
| 25 May | Heavy rain at times | 12° /5° | 3.1 mm | 3 | |
| 26 May | Moderate rain at times | 15° /5° | 1.4 mm | 4 | |
| 27 May | Cloudy | 21° /6° | 0 mm | 5 | |
| 28 May | Partly cloudy | 24° /11° | 6.2 mm | 6 | |
| 29 May | Sunny | 21° /11° | 0 mm | 5 | |
| 30 May | Sunny | 22° /7° | 0 mm | 6 | |
| 31 May | Sunny | 21° /8° | 9.9 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?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in New Brunswick during May?
Significant rainfall exceeding 114.9 mm is expected in New Brunswick during May, occurring over more than 16 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 17 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 💧
UV exposure in New Brunswick during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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