Weather in Saint John for May 2025
In general, the average temperature in Saint John at the beginning of May is 28.1 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 28.6 °C by the end of May.
Saint John experiences an exceptionally high level of rainfall in May, with more than 20 rainy days on average.
Is May a good time to visit Saint John? check out the best time to travel to Saint John page.
- New! Chat with our AI weatherman - it’s amazing and free.
Saint John in May average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 27° | 2 28° | 3 28° | 4 28° | |||
5 29° | 6 29° | 7 28° | 8 28° | 9 29° | 10 28° | 11 28° |
12 28° | 13 28° | 14 28° | 15 28° | 16 28° | 17 29° | 18 28° |
19 28° | 20 28° | 21 28° | 22 28° | 23 28° | 24 28° | 25 29° |
26 28° | 27 29° | 28 28° | 29 28° | 30 29° | 31 29° |
You can click on date
Temperatures trend during May in Saint John
May weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 May | Cloudy | 27° /26° | 2 mm | 6 | |
2 May | Overcast | 28° /26° | 1.1 mm | 6 | |
3 May | Cloudy | 28° /26° | 1.3 mm | 6 | |
4 May | Overcast | 28° /26° | 3.3 mm | 6 | |
5 May | Cloudy | 29° /26° | 2.4 mm | 7 | |
6 May | Partly cloudy | 29° /26° | 6.6 mm | 7 | |
7 May | Patchy rain possible | 28° /26° | 4.1 mm | 6 | |
8 May | Patchy rain possible | 28° /26° | 4.9 mm | 6 | |
9 May | Overcast | 29° /26° | 2.6 mm | 7 | |
10 May | Overcast | 28° /26° | 2.5 mm | 6 | |
11 May | Patchy rain possible | 28° /26° | 3.7 mm | 6 | |
12 May | Patchy rain possible | 28° /26° | 2.1 mm | 6 | |
13 May | Patchy rain possible | 28° /26° | 0.8 mm | 6 | |
14 May | Patchy rain possible | 28° /26° | 1.2 mm | 6 | |
15 May | Overcast | 28° /26° | 1.1 mm | 6 | |
16 May | Patchy rain possible | 28° /26° | 0.8 mm | 6 | |
17 May | Patchy rain possible | 29° /26° | 1.7 mm | 7 | |
18 May | Patchy rain possible | 28° /26° | 2.5 mm | 6 | |
19 May | Patchy rain possible | 28° /26° | 2 mm | 6 | |
20 May | Patchy rain possible | 28° /26° | 0.9 mm | 6 | |
21 May | Patchy rain possible | 28° /26° | 1.5 mm | 6 | |
22 May | Cloudy | 28° /26° | 2.2 mm | 6 | |
23 May | Moderate or heavy rain shower | 28° /27° | 4.3 mm | 6 | |
24 May | Moderate rain at times | 28° /26° | 2.6 mm | 6 | |
25 May | Patchy rain possible | 29° /26° | 2.7 mm | 6 | |
26 May | Patchy rain possible | 28° /26° | 1.9 mm | 6 | |
27 May | Patchy rain possible | 29° /27° | 2.1 mm | 6 | |
28 May | Cloudy | 28° /26° | 0.6 mm | 6 | |
29 May | Patchy rain possible | 28° /26° | 1.1 mm | 6 | |
30 May | Overcast | 29° /26° | 1.4 mm | 6 | |
31 May | Patchy rain possible | 29° /27° | 2 mm | 6 | |
Next |
Saint John in May - FAQ
What to pack to Saint John in May?
As you prepare for your trip to Saint John in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Saint John, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
May rainfall patterns in Saint John
UV exposure in Saint John during May
Quick links
Get accurate weather forecasts for Saint John, located at latitude 17.121 and longitude -61.843. Stay updated with localized weather information tailored for Saint John.