Milton weather by month
Warmest month
July
29°C average high
Coolest month
January
-7°C average low
Wettest month
June
79 mm of rain
Driest month
February
13 mm of rain
Average temperature and rainfall in Milton by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | -1°C | -7°C | -21°C / 9°C | 30 mm | 81% | 16 km/h |
| February | 0°C | -6°C | -21°C / 15°C | 13 mm | 80% | 18 km/h |
| March | 5°C | -3°C | -15°C / 20°C | 37 mm | 75% | 16 km/h |
| April | 10°C | 2°C | -9°C / 23°C | 65 mm | 72% | 16 km/h |
| May | 19°C | 9°C | 1°C / 31°C | 67 mm | 71% | 14 km/h |
| June | 24°C | 15°C | 8°C / 31°C | 79 mm | 70% | 12 km/h |
| July | 29°C | 18°C | 12°C / 43°C | 67 mm | 72% | 11 km/h |
| August | 26°C | 17°C | 10°C / 32°C | 74 mm | 74% | 11 km/h |
| September | 23°C | 14°C | 6°C / 32°C | 65 mm | 78% | 11 km/h |
| October | 16°C | 8°C | 0°C / 29°C | 67 mm | 81% | 14 km/h |
| November | 10°C | 3°C | -8°C / 24°C | 43 mm | 79% | 16 km/h |
| December | 3°C | -2°C | -16°C / 16°C | 45 mm | 82% | 16 km/h |
Frost and snow-likely months in Milton
Nights in Milton average 2°C or below in 4 months (January, February, March and December). January, February, March and December combine average lows at or below 0°C with 10 mm or more of monthly precipitation, so precipitation then is likely to fall as snow. The coldest month is January with an average low of -7°C and a record low of -21°C.
- January: average low -7°C, record low -21°C, 30 mm of precipitation — snow-likely
- February: average low -6°C, record low -21°C, 13 mm of precipitation — snow-likely
- March: average low -3°C, record low -15°C, 37 mm of precipitation — snow-likely
- December: average low -2°C, record low -16°C, 45 mm of precipitation — snow-likely
These records carry temperature and precipitation, not snowfall totals.
Best time to visit Milton
The most comfortable time to visit Milton is generally June and August to September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around June, totalling about 652 mm a year.
Travellers who prefer heat should aim for July, when highs average 29°C. June is the month to avoid if rain would spoil your plans — it averages 79 mm, roughly 6× the rainfall of the driest month (February).
Milton climate: your questions
Does it snow in Milton?
Yes, in winter: January, February, March and December average lows at or below 0°C with 10 mm or more of monthly precipitation, so some of it falls as snow. The coldest month is January (average low -7°C, record low -21°C). Our records carry temperature and precipitation, not snowfall totals. What is falling now: Milton weather today.
Will Milton see snow this winter?
Milton's winter months average lows of -2°C in December, -7°C in January and -6°C in February, with about 88 mm of precipitation across the three; 3 of them sit at or below 0°C, so snow is likely on the colder days. The records hold no snowfall totals. The next 15 days: Milton 10-day forecast.
When is the best time to visit Milton?
June and August to September are the most comfortable months in Milton, with highs near 24°C. July is the warmest month, averaging 29°C by day; June is the wettest, with 79 mm; and January is the coolest, with lows near -7°C. What it is doing today: Milton weather today.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Milton forecast for what is happening now.
Nearest cities: Monthly climate
- Oakville17 km
- Mississauga21 km
- Brampton22 km
- Burlington22 km
- Hamilton28 km
- Guelph30 km
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