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Weather in Saint John for May 2027

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

    Temperatures

  • In general, the average temperature in Saint John at the beginning of May is 11.2 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 14.9 °C by the end of May.

    • Rain 🌧️

  • The climate of Saint John in May is notably wet, with an average of 12 rainy days, and a total of 157.4 mm of precipitation.

    • More

  • Is May a good time to visit Saint John? check out the best time to travel to Saint John page.

  • ✨ Is May a good time to visit Saint John? – Ask the AI Weatherman

Average dry days
19
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
13°/5°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Saint John Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate rain
11°
2
Patchy rain possible
11°
3
Light rain
9°
4
Light rain
11°
5
Overcast
13°
6
Patchy rain possible
11°
7
Moderate rain
14°
8
Patchy rain possible
13°
9
Overcast
11°
10
Moderate rain
11°
11
Cloudy
13°
12
Partly cloudy
13°
13
Patchy rain possible
14°
14
Patchy rain possible
14°
15
Cloudy
15°
16
Patchy rain possible
15°
17
Moderate rain at times
15°
18
Light rain
14°
19
Light rain
12°
20
Patchy rain possible
15°
21
Moderate rain
13°
22
Sunny
14°
23
Moderate rain
13°
24
Patchy rain possible
13°
25
Moderate rain
13°
26
Cloudy
15°
27
Light rain
18°
28
Light rain
16°
29
Sunny
15°
30
Partly cloudy
14°
31
Light rain
15°

Temperatures trend during May in Saint John

See the weather trend as well as the moving average line

May weather in Saint John day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Moderate rain
Moderate rain
 11° /4° 18.5 mm 2
2 May Patchy rain possible
Patchy rain possible
 11° /4° 2.4 mm 4
3 May Light rain
Light rain
 9° /4° 8.6 mm 2
4 May Light rain
Light rain
 11° /5° 4.4 mm 4
5 May Overcast
Overcast
 13° /4° 0.6 mm 4
6 May Patchy rain possible
Patchy rain possible
 11° /5° 1.3 mm 2
7 May Moderate rain
Moderate rain
 14° /7° 13.5 mm 3
8 May Patchy rain possible
Patchy rain possible
 13° /4° 1.5 mm 4
9 May Overcast
Overcast
 11° /4° 0.6 mm 4
10 May Moderate rain
Moderate rain
 11° /3° 13.2 mm 3
11 May Cloudy
Cloudy
 13° /5° 0.9 mm 4
12 May Partly cloudy
Partly cloudy
 13° /4° 0 mm 5
13 May Patchy rain possible
Patchy rain possible
 14° /5° 1.4 mm 5
14 May Patchy rain possible
Patchy rain possible
 14° /5° 1 mm 3
15 May Cloudy
Cloudy
 15° /7° 0.1 mm 4
16 May Patchy rain possible
Patchy rain possible
 15° /7° 2.1 mm 5
17 May Moderate rain at times
Moderate rain at times
 15° /6° 5.5 mm 4
18 May Light rain
Light rain
 14° /6° 4.7 mm 5
19 May Light rain
Light rain
 12° /7° 5 mm 3
20 May Patchy rain possible
Patchy rain possible
 15° /7° 1.1 mm 3
21 May Moderate rain
Moderate rain
 13° /8° 17.9 mm 3
22 May Sunny
Sunny
 14° /6° 0.5 mm 5
23 May Moderate rain
Moderate rain
 13° /5° 19.6 mm 5
24 May Patchy rain possible
Patchy rain possible
 13° /6° 1.1 mm 4
25 May Moderate rain
Moderate rain
 13° /7° 13.9 mm 3
26 May Cloudy
Cloudy
 15° /7° 0.3 mm 4
27 May Light rain
Light rain
 18° /6° 3.8 mm 4
28 May Light rain
Light rain
 16° /7° 4.2 mm 4
29 May Sunny
Sunny
 15° /7° 0.7 mm 4
30 May Partly cloudy
Partly cloudy
 14° /6° 0.1 mm 4
31 May Light rain
Light rain
 15° /6° 9.2 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.
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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 13° and lows near 5°, suitable for diverse activities and preferences.

How much rainfall should be expected in Saint John during May?
Significant rainfall exceeding 157.4 mm is expected in Saint John during May, occurring over more than 12 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 💧
Typically, Saint John has 12 rainy days in May with a total of 157.4 mm of rainfall.
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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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