Ajax weather by month

Warmest month

July

27°C average high

Coolest month

February

-7°C average low

Wettest month

April

79 mm of rain

Driest month

February

20 mm of rain

Average temperature and rainfall in Ajax by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January-1°C-7°C-23°C / 9°C
37 mm
80%16 km/h
February0°C-7°C-19°C / 13°C
20 mm
79%17 km/h
March4°C-4°C-17°C / 18°C
45 mm
70%16 km/h
April10°C2°C-9°C / 26°C
79 mm
71%15 km/h
May18°C8°C-1°C / 30°C
52 mm
72%13 km/h
June23°C14°C8°C / 32°C
65 mm
71%11 km/h
July27°C17°C11°C / 32°C
45 mm
72%10 km/h
August26°C16°C9°C / 31°C
52 mm
74%10 km/h
September23°C13°C6°C / 31°C
43 mm
77%9 km/h
October15°C8°C1°C / 26°C
60 mm
79%12 km/h
November9°C2°C-10°C / 23°C
43 mm
78%14 km/h
December3°C-3°C-20°C / 15°C
37 mm
80%15 km/h

Frost and snow-likely months in Ajax

Nights in Ajax average 2°C or below in 5 months (January, February, March, November 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 February with an average low of -7°C and a record low of -19°C.

  • January: average low -7°C, record low -23°C, 37 mm of precipitation — snow-likely
  • February: average low -7°C, record low -19°C, 20 mm of precipitation — snow-likely
  • March: average low -4°C, record low -17°C, 45 mm of precipitation — snow-likely
  • November: average low 2°C, record low -10°C, 43 mm of precipitation
  • December: average low -3°C, record low -20°C, 37 mm of precipitation — snow-likely

These records carry temperature and precipitation, not snowfall totals.

Best time to visit Ajax

The most comfortable time to visit Ajax 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 April, totalling about 578 mm a year.

Travellers who prefer heat should aim for July, when highs average 27°C. April is the month to avoid if rain would spoil your plans — it averages 79 mm, roughly 4× the rainfall of the driest month (February).

Ajax climate: your questions

How much snow does Ajax get?

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 February (average low -7°C, record low -19°C). Our records carry temperature and precipitation, not snowfall totals. What is falling now: Ajax weather today.

Will Ajax get snow this year?

Ajax's winter months average lows of -3°C in December, -7°C in January and -7°C in February, with about 95 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: Ajax 10-day forecast.

Which months are best for visiting Ajax?

June and August to September are the most comfortable months in Ajax, with highs near 24°C. July is the warmest month, averaging 27°C by day; April is the wettest, with 79 mm; and February is the coolest, with lows near -7°C. What it is doing today: Ajax weather today.

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Ajax forecast for what is happening now.

Nearest cities: Monthly climate