Saint John’s
May
Weather in Saint John’s for May 2026
Your guide to Saint John’s weather in May - trends and predictions
Until now, May 2026 in Saint John’s has been nearly identical to the historical average, with a temperature of 27.9 °C (showing only a slight deviation of -0.2 °C).
The forecast for the next days in Saint John’s predicts temperatures to be around 27 °C, close to the historical average.
In general, the average temperature in Saint John’s at the beginning of May is 28 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 27.7 °C by the end of May.
Saint John’s experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 103.1 mm.
Temperatures
Rain 🌧️
1
Dry days
30
Rainy days
0
Snow days
28°/26°
Temperatures
27 km/h
Avg max wind
76 %
Avg humidity
Saint John’s Weather May
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Temperatures trend during May in Saint John’s
See the weather trend as well as the moving average line
May weather in Saint John’s day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Cloudy | 28° /25° | 2 mm | 8 | |
| 2 May |  Patchy rain possible | 28° /26° | 0.8 mm | 7 | |
| 3 May | Patchy rain possible | 28° /26° | 2 mm | 7 | |
| 4 May | Light rain shower | 28° /26° | 3.9 mm | 6 | |
| 5 May | Light rain shower | 28° /26° | 4.3 mm | 7 | |
| 6 May |  Moderate or heavy rain shower | 28° /25° | 8 mm | 7 | |
| 7 May | Patchy rain possible | 28° /26° | 6.4 mm | 7 | |
| 8 May | Patchy rain possible | 28° /25° | 3.6 mm | 7 | |
| 9 May | Patchy rain possible | 29° /26° | 3.2 mm | 6 | |
| 10 May | Moderate rain at times | 28° /26° | 2.6 mm | 6 | |
| 11 May | Patchy rain possible | 28° /26° | 3.1 mm | 6 | |
| 12 May | Patchy rain possible | 28° /26° | 2.7 mm | 6 | |
| 13 May | Patchy rain possible | 28° /26° | 0.4 mm | 12.9 | |
| 14 May | Patchy rain possible | 27° /26° | 1 mm | 12.8 | |
| 15 May | Patchy rain possible | 28° /27° | 1.8 mm | 2.6 | |
| 16 May | Patchy rain possible | 27° /26° | 0.7 mm | 6 | |
| 17 May | Patchy rain possible | 28° /26° | 1.7 mm | 6 | |
| 18 May | Patchy rain possible | 27° /26° | 1.6 mm | 6 | |
| 19 May | Patchy rain possible | 27° /26° | 0.2 mm | 6 | |
| 20 May | Patchy rain possible | 27° /26° | 0.3 mm | 6 | |
| 21 May | Patchy rain possible | 27° /26° | 0.7 mm | 6 | |
| 22 May |  Partly cloudy | 27° /26° | 0.1 mm | 7 | |
| 23 May | Patchy rain possible | 27° /26° | 2.8 mm | 6 | |
| 24 May | Patchy rain possible | 27° /26° | 1.4 mm | 6 | |
| 25 May | Patchy rain possible | 27° /26° | 3.5 mm | 6 | |
| 26 May | Patchy rain possible | 28° /26° | 2.8 mm | 6 | |
| 27 May | Patchy rain possible | 28° /26° | 1.8 mm | 6 | |
| 28 May | Cloudy | 27° /26° | 0.7 mm | 6 | |
| 29 May | Patchy rain possible | 28° /26° | 1 mm | 6 | |
| 30 May | Patchy rain possible | 28° /26° | 1.2 mm | 6 | |
| 31 May | Patchy rain possible | 28° /26° | 1.7 mm | 6 | |
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Important Notice
Our weather forecast for Saint 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 Saint John’s forecast closer to your planned date for the most up-to-date weather information.
Change Month
Saint John’s in May - FAQ
What are the expected maximum and minimum temperatures in Saint John’s during May?
During May, expect a variety of temperatures with highs around 28° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint John’s during May?
Significant rainfall exceeding 103.1 mm is expected in Saint John’s during May, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint John’s during May?
The average wind speed in Saint John’s during May is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Saint John’s
Explore the daily rainfall trends and prepare for Saint John’ss May weather 💧
Typically, Saint John’s has 30 rainy days in May with a total of 103.1 mm of rainfall.
UV exposure in Saint John’s during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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