St. John's
May
Weather in St. John's for May 2025
Your guide to St. John's weather in May - trends and predictions
In general, the average temperature in St. John's at the beginning of May is 4.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 9.4 °C by the end of May.
St. John's in May brings notable rainfall, with an average of 19 rainy days and a total precipitation of 108 mm.
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Temperatures
Rain 🌧️
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12
Dry days
19
Rainy days
0
Snow days
7°/3°
Temperatures
26 km/h
Avg max wind
85 %
Avg humidity
St. John's Weather May
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  4° | 2 4° | 3 3° | ||||
| 4  3° | 5  3° | 6  6° | 7 7° | 8 6° | 9 6° | 10  6° |
| 11 6° | 12 7° | 13 9° | 14 6° | 15 8° | 16 10° | 17 8° |
| 18 7° | 19  9° | 20 9° | 21 12° | 22 10° | 23 4° | 24  7° |
| 25 10° | 26 8° | 27 6° | 28 12° | 29 8° | 30 12° | 31 10° |
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Temperatures trend during May in St. John's
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Overcast | 4° /1° | 0.5 mm | 1 | |
| 2 May | Overcast | 4° /1° | 0.5 mm | 2 | |
| 3 May | Overcast | 3° /1° | 1.4 mm | 1 | |
| 4 May | Patchy rain possible | 3° /1° | 0.9 mm | 1 | |
| 5 May | Moderate or heavy rain shower | 3° /1° | 7.9 mm | 2 | |
| 6 May | Heavy rain at times | 6° /0° | 1.5 mm | 2 | |
| 7 May | Overcast | 7° /2° | 0.9 mm | 2 | |
| 8 May | Heavy rain at times | 6° /2° | 2.2 mm | 2 | |
| 9 May | Patchy rain possible | 6° /2° | 4.3 mm | 2 | |
| 10 May | Partly cloudy | 6° /1° | 0 mm | 2 | |
| 11 May | Partly cloudy | 6° /1° | 0 mm | 2 | |
| 12 May | Partly cloudy | 7° /1° | 7.8 mm | 3 | |
| 13 May | Partly cloudy | 9° /2° | 0 mm | 3 | |
| 14 May | Moderate or heavy rain shower | 6° /2° | 11 mm | 2 | |
| 15 May | Overcast | 8° /3° | 1 mm | 3 | |
| 16 May | Patchy rain possible | 10° /4° | 1.1 mm | 3 | |
| 17 May | Patchy rain possible | 8° /3° | 3.4 mm | 3 | |
| 18 May | Patchy rain possible | 7° /2° | 7.2 mm | 3 | |
| 19 May | Sunny | 9° /2° | 0 mm | 3 | |
| 20 May | Partly cloudy | 9° /3° | 0 mm | 4 | |
| 21 May | Overcast | 12° /5° | 0 mm | 3 | |
| 22 May | Moderate or heavy rain shower | 10° /2° | 11.5 mm | 3 | |
| 23 May | Moderate or heavy rain shower | 4° /1° | 11.1 mm | 2 | |
| 24 May | Cloudy | 7° /1° | 14.6 mm | 2 | |
| 25 May | Overcast | 10° /4° | 2.9 mm | 3 | |
| 26 May | Moderate or heavy rain shower | 8° /3° | 13 mm | 2 | |
| 27 May | Overcast | 6° /3° | 0 mm | 2 | |
| 28 May | Patchy rain possible | 12° /3° | 0.4 mm | 4 | |
| 29 May | Patchy rain possible | 8° /3° | 1.3 mm | 2 | |
| 30 May | Overcast | 12° /4° | 0.2 mm | 3 | |
| 31 May | Overcast | 10° /5° | 1.3 mm | 3 | |
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Important Notice
Our weather forecast for St. John's 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 St. John's forecast closer to your planned date for the most up-to-date weather information.
St. John's in May - FAQ
What are the expected maximum and minimum temperatures in St. John's during May?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 3°.
How much rainfall should be expected in St. John's during May?
Significant rainfall exceeding 108 mm is expected in St. John's during May, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
Will it snow in St. John's in May 2025?
St. John's typically sees 0.02 cm of snowfall during May.
What are the typical wind conditions in St. John's during May?
The average wind speed in St. John's during May is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in St. John's
Explore the daily rainfall trends and prepare for St. John'ss May weather 💧
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