Ottawa Weather: May
 |
Average Day Temperature: | 64.5°F |
|
Average Night Temperature: | 49.0°F |
|
Number of Sunny Days: | 11 days |
| Sunshine Hours: | 14.3 - 15.4 hours | |
|
Number of Rainy Days: | 4 days |
| Precipitation Totals: | 2.5 in | |
| detailed information | ||
14 day weather
forecast
forecast
| Ottawa |
Air Temperature in May, °F
The highest day temperature in May 2025 was 84°F. The lowest night temperature was 35°F. The average values for day and night temperatures during May were 63.8°F и 48.9°F respectivly.
Sunny, Cloudy and Gloomy days
You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in May, in
Precipitation total in May for Ottawa is 2.5 in.
Wind Speed in May, mph
The average wind speed in May is 8.1 mph. This value is relatively stable throughout the year.
Average Sunny Hours Per Day
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Ottawa in May is 8.1 hours.
Ottawa on the Weather Map
Canada Resorts:
NAME
F°
| Halifax |  |
+12 |
| Kingston |  |
+4 |
| Moncton | |
-6 |
| Montreal | |
-2 |
| Niagara Falls | |
+10 |
| Ottawa | |
-4 |
| Prince Edward Island |  |
+6 |
| Quebec | |
-12 |
| Rocky Harbour |  |
+28 |
| St. John's | |
+32 |
| Sydney | |
+24 |
| Toronto | |
+10 |
| Vancouver | |
+42 |
| Victoria | |
+44 |
| Winnipeg | |
+12 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Ottawa
Local time: 01:10
05 dec, friday
| 0300 |  |
-6°F | N 2 mph |
| 0600 | |
-6°F | N 5 mph |
| 0900 |  |
2°F | N 6 mph |
| 1200 |  |
12°F | N 9 mph |
| 1500 | |
18°F | N 11 mph |
| 1800 | |
18°F | N 9 mph |
| 2100 | |
18°F | N 6 mph |
06 dec, saturday
| 0000 | |
18°F | NW 4 mph |