Weather in Ottawa for June 2025
Until now, June 2025 in Ottawa has been nearly identical to the historical average, with a temperature of 22.2 °C (showing only a slight deviation of 0.5 °C).
The forecast for the upcoming days in Ottawa predicts a temperature of 24.9 °C, which is slightly above the historical average.
In general, the average temperature in Ottawa at the beginning of June is 23.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 24.6 °C by the end of June.
Ottawa in June brings notable rainfall, with an average of 20 rainy days and a total precipitation of 138 mm.
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Ottawa Weather June
Temperatures trend during June in Ottawa
June weather in Ottawa day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. |  Sunny | 21° /10° | 2.5 mm | 5 | |
| 2 Jun. |  Partly cloudy | 25° /11° | 1.5 mm | 6 | |
| 3 Jun. |  Overcast | 25° /11° | 0 mm | 6 | |
| 4 Jun. | Sunny | 26° /12° | 0 mm | 6 | |
| 5 Jun. |  Moderate rain at times | 24° /14° | 11.4 mm | 5 | |
| 6 Jun. |  Patchy rain possible | 23° /13° | 6 mm | 5 | |
| 7 Jun. | Patchy rain possible | 19° /11° | 1 mm | 5 | |
| 8 Jun. | Patchy rain possible | 18° /11° | 1.1 mm | 4 | |
| 9 Jun. | Moderate rain at times | 19° /11° | 2.6 mm | 4 | |
| 10 Jun. | Light rain shower | 19° /10° | 21.5 mm | 4 | |
| 11 Jun. |  Heavy rain at times | 22° /10° | 2.6 mm | 5 | |
| 12 Jun. | Moderate or heavy rain shower | 21° /12° | 10.7 mm | 5 | |
| 13 Jun. | Moderate or heavy rain shower | 19° /10° | 6.6 mm | 4 | |
| 14 Jun. | Moderate rain at times | 20° /9° | 3.8 mm | 5 | |
| 15 Jun. | Sunny | 27° /10° | 0 mm | 2.3 | |
| 16 Jun. | Sunny | 28° /12° | 0 mm | 2.2 | |
| 17 Jun. |  Cloudy | 25° /16° | 0 mm | 0.4 | |
| 18 Jun. |  Moderate rain | 29° /19° | 13.1 mm | 1.9 | |
| 19 Jun. | Moderate rain | 26° /16° | 8.7 mm | 0.1 | |
| 20 Jun. | Moderate rain | 14° /12° | 7.4 mm | 3 | |
| 21 Jun. | Sunny | 23° /8° | 0 mm | 5 | |
| 22 Jun. | Cloudy | 23° /10° | 0 mm | 4 | |
| 23 Jun. | Patchy rain possible | 28° /19° | 0 mm | 5 | |
| 24 Jun. | Patchy rain possible | 30° /20° | 0.3 mm | 6 | |
| 25 Jun. | Sunny | 27° /14° | 0 mm | 6 | |
| 26 Jun. | Sunny | 23° /14° | 0 mm | 5 | |
| 27 Jun. | Sunny | 21° /11° | 0 mm | 5 | |
| 28 Jun. | Sunny | 24° /12° | 0.1 mm | 5 | |
| 29 Jun. | Cloudy | 24° /15° | 5.9 mm | 5 | |
| 30 Jun. | Moderate rain at times | 23° /12° | 3 mm | 6 | |
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Ottawa in June - FAQ
June rainfall patterns in Ottawa
UV exposure in Ottawa during June
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