Milton, Ontario Weather by Month and Climate Averages

How much rain does Milton get?

Milton gets 699 mm of precipitation in an average year, spread over about 111 days with measurable rain. That is fewer rainy days than 58% of Canada.

April is the wettest month, with 74 mm. February is the driest, with 42 mm. October has the most rainy days, about 11.

The longest dry spell in the last five years lasted 18 days, to June 7, 2023.

Does it snow in Milton?

The snowiest winter on record is 2000–01, with 219 cm.

The most recent measurable snow at the station fell on February 18, 2024.

Milton weather by month

Milton weather in January

In January, Milton averages a high of -1°C and a low of -10°C. It gets 58 mm of precipitation over about 10 rainy days. The sun is out about 18% of daylight hours. The January record high is 17°C (2005) and the record low is -33°C (1984).

Milton weather in February

In February, Milton averages a high of 0°C and a low of -10°C. It gets 42 mm of precipitation over about 7 rainy days. The sun is out about 32% of daylight hours. The February record high is 17°C (2018) and the record low is -32°C (2015).

Milton weather in March

In March, Milton averages a high of 6°C and a low of -6°C. It gets 45 mm of precipitation over about 8 rainy days. The sun is out about 33% of daylight hours. The March record high is 27°C (2012) and the record low is -28°C (1984).

Milton weather in April

In April, Milton averages a high of 12°C and a low of 0°C. It gets 74 mm of precipitation over about 10 rainy days. The sun is out about 36% of daylight hours. The April record high is 32°C (1990) and the record low is -14°C (2016).

Milton weather in May

In May, Milton averages a high of 19°C and a low of 6°C. It gets 66 mm of precipitation over about 10 rainy days. The sun is out about 43% of daylight hours. The May record high is 34°C (2006) and the record low is -6°C (2016). May is one of the most comfortable months to visit.

Milton weather in June

In June, Milton averages a high of 25°C and a low of 11°C. It gets 66 mm of precipitation over about 10 rainy days. The sun is out about 47% of daylight hours. The June record high is 36°C (1988) and the record low is -1°C (1983). June is one of the most comfortable months to visit.

Milton weather in July

In July, Milton averages a high of 27°C and a low of 13°C. It gets 52 mm of precipitation over about 8 rainy days. The sun is out about 50% of daylight hours. The July record high is 37°C (1988) and the record low is 3°C (1986).

Milton weather in August

In August, Milton averages a high of 27°C and a low of 13°C. It gets 61 mm of precipitation over about 9 rainy days. The sun is out about 47% of daylight hours. The August record high is 37°C (2001) and the record low is 0°C (1982). August is one of the most comfortable months to visit.

Milton weather in September

In September, Milton averages a high of 23°C and a low of 8°C. It gets 64 mm of precipitation over about 9 rainy days. The sun is out about 50% of daylight hours. The September record high is 36°C (2002) and the record low is -4°C (1993). September is one of the most comfortable months to visit.

Milton weather in October

In October, Milton averages a high of 15°C and a low of 3°C. It gets 60 mm of precipitation over about 11 rainy days. The sun is out about 38% of daylight hours. The October record high is 31°C (2019) and the record low is -8°C (1987).

Milton weather in November

In November, Milton averages a high of 8°C and a low of -2°C. It gets 65 mm of precipitation over about 10 rainy days. The sun is out about 37% of daylight hours. The November record high is 24°C (2015) and the record low is -17°C (2019).

Milton weather in December

In December, Milton averages a high of 2°C and a low of -6°C. It gets 45 mm of precipitation over about 9 rainy days. The sun is out about 18% of daylight hours. The December record high is 21°C (1982) and the record low is -29°C (1980).

Sunshine, humidity and wind in Milton

July is the sunniest month in Milton, with sunshine about 50% of daylight hours. January is the cloudiest, at 18%. Over the year the sun shines about 37% of daylight hours. Milton is sunnier than 61% of Canada.

Humidity peaks in January at 78% and is lowest in May at 61%.

Milton has about 6 days a year above 32°C. Milton is hotter than 72% of Canada.

First and last freeze in Milton

The first fall freeze in Milton typically comes around October 3, and the last spring freeze around May 16. That leaves a frost-free growing season of about 140 days.

Milton weather records

The hottest temperature on record at the Milton station is 37°C, on July 7, 1988. The coldest is -33°C, on January 16, 1984.

The wettest day on record brought 88 mm of rain, on August 28, 2021.

41 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.5°C per decade since 1980.

The best time to visit Milton

The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 23°C.

Winter (December–February) is cold, with average highs around 0°C and lows near -9°C. Snow is possible.

Spring (March–May) is chilly, with average highs around 12°C and lows near 0°C.

Summer (June–August) is warm, with average highs around 26°C and lows near 12°C. It can feel humid.

Autumn (September–November) is mild, with average highs around 15°C and lows near 3°C.

Milton climate questions

How much rain does Milton get?

Milton gets 699 mm of precipitation in an average year, over about 111 rainy days.

What is the wettest month in Milton?

April is the wettest month in Milton, with 74 mm. February is the driest, with 42 mm.

How many rainy days does Milton have a year?

Milton has about 111 days with measurable rain in an average year. October has the most, about 11.

What is the hottest month in Milton?

July is the warmest month in Milton, with an average high of 27°C.

What is the coldest month in Milton?

January is the coldest month in Milton, with an average low of -10°C.

What is the record high temperature in Milton?

The record high at the Milton station is 37°C, set on July 7, 1988. The record low is -33°C, on January 16, 1984.

What is the sunniest month in Milton?

July is the sunniest month in Milton, with sunshine about 50% of daylight hours. January is the cloudiest.

When is the first frost in Milton?

The first fall freeze in Milton typically comes around October 3. The last spring freeze is around May 16.

What is the best time to visit Milton?

The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 23°C.