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Weather in Saint John for May 2025

Your guide to Saint John weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Saint John during May is quite rare, with fewer than 2 snowy days on average.
    According to Saint John snow forecast for May 2025, 1 snowy day is expected at the beginning of May at Sunday, 4 May.

    • Temperatures

  • The forecast for the first days of May 2025 in Saint John predicts a temperature of 13 °C, which is slightly above the historical average.

  • In general, the average temperature in Saint John at the beginning of May is 12.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 16.7 °C by the end of May.

    • Rain 🌧️

  • The climate of Saint John in May is notably wet, with an average of 13 rainy days, and a total of 76.3 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
18
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/5°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Saint John Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
16°
2
Partly cloudy
15°
3
Patchy rain possible
11°
4
Patchy rain possible
4°
5
Patchy rain possible
9°
6
Partly cloudy
18°
7
Partly cloudy
12°
8
Patchy rain possible
13°
9
Overcast
11°
10
Overcast
13°
11
Cloudy
14°
12
Partly cloudy
14°
13
Moderate rain at times
15°
14
Overcast
11°
15
Cloudy
17°
16
Moderate rain at times
15°
17
Moderate rain at times
15°
18
Partly cloudy
14°
19
Overcast
12°
20
Cloudy
15°
21
Moderate or heavy rain shower
14°
22
Sunny
15°
23
Sunny
15°
24
Sunny
15°
25
Patchy rain possible
15°
26
Patchy rain possible
13°
27
Partly cloudy
18°
28
Partly cloudy
19°
29
Sunny
17°
30
Partly cloudy
17°
31
Sunny
18°
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Access Saint John weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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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

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
1 May Sunny
Sunny
 16° /4° 0 mm 0 cm
2 May Partly cloudy
Partly cloudy
 15° /6° 0 mm 0 cm
3 May Patchy rain possible
Patchy rain possible
 11° /5° 3.3 mm 0 cm
4 May Patchy rain possible
Patchy rain possible
 4° /2° 1 mm 0.2 cm
5 May Patchy rain possible
Patchy rain possible
 9° /2° 0.1 mm 0 cm
6 May Partly cloudy
Partly cloudy
 18° /4° 0.1 mm 0 cm
7 May Partly cloudy
Partly cloudy
 12° /3° 0 mm 0 cm
8 May Patchy rain possible
Patchy rain possible
 13° /3° 1.5 mm 0 cm
9 May Overcast
Overcast
 11° /3° 0.7 mm 0 cm
10 May Overcast
Overcast
 13° /1° 0 mm 0 cm
11 May Cloudy
Cloudy
 14° /5° 0.1 mm 0 cm
12 May Partly cloudy
Partly cloudy
 14° /3° 0 mm 0 cm
13 May Moderate rain at times
Moderate rain at times
 15° /5° 1.6 mm 0 cm
14 May Overcast
Overcast
 11° /4° 1.5 mm 0 cm
15 May Cloudy
Cloudy
 17° /5° 0.1 mm 0 cm
16 May Moderate rain at times
Moderate rain at times
 15° /7° 4.2 mm 0 cm
17 May Moderate rain at times
Moderate rain at times
 15° /5° 2.5 mm 0 cm
18 May Partly cloudy
Partly cloudy
 14° /4° 0 mm 0 cm
19 May Overcast
Overcast
 12° /6° 2.7 mm 0 cm
20 May Cloudy
Cloudy
 15° /7° 0.3 mm 0 cm
21 May Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /9° 26.8 mm 0 cm
22 May Sunny
Sunny
 15° /7° 0.9 mm 0 cm
23 May Sunny
Sunny
 15° /5° 2.7 mm 0 cm
24 May Sunny
Sunny
 15° /7° 0.2 mm 0 cm
25 May Patchy rain possible
Patchy rain possible
 15° /6° 0.4 mm 0 cm
26 May Patchy rain possible
Patchy rain possible
 13° /6° 0.6 mm 0 cm
27 May Partly cloudy
Partly cloudy
 18° /6° 0 mm 0 cm
28 May Partly cloudy
Partly cloudy
 19° /9° 6.8 mm 0 cm
29 May Sunny
Sunny
 17° /8° 0.3 mm 0 cm
30 May Partly cloudy
Partly cloudy
 17° /6° 0 mm 0 cm
31 May Sunny
Sunny
 18° /6° 0 mm 0 cm
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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 14° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint John during May?
Moderate rainfall is anticipated in Saint John during May, with a total of 76.3 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
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.

Saint John snow forecast May 2025

Track daily snowfall levels and discover Saint John’s snowy potential this May ❄️

May rainfall patterns in Saint John

Explore the daily rainfall trends and prepare for Saint Johns May weather 💧

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Location coordinates Where is Saint John?

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

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