Weather on a past date in Harrow

Any date from 1 January 2009 to yesterday.

Mon 09 Nov, 2026 Weather in Harrow

Sunrise: 07:14 AM
Sunset: 05:16 PM		Moonrise: 07:56 AM
Moonset: 05:09 PM		Max:
12.6 °c		Min:
5.9 °c		Avg:
9.6 °c		Precip:
0.00 mm		Max Wind:
19.1 kph
 
Mon 09
0:00 am
Mon 09
3:00 am
Mon 09
6:00 am
Mon 09
9:00 am
Mon 09
12:00 pm
Mon 09
3:00 pm
Mon 09
6:00 pm
Mon 09
9:00 pm
IconOvercastCloudyClearSunnyOvercastCloudyOvercastOvercast
Temp10.5°c8.5°c6.4°c7.6°c11.1°c12.6°c11.1°c10.0°c
Wind15.5 kmph15.5 kmph16.9 kmph14.9 kmph15.5 kmph12.2 kmph9.7 kmph13.0 kmph
Precip0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm
Cloud100%65%0%5%100%74%91%100%
Humidity66%68%75%66%53%50%55%59%
Pressure1013 mb1014 mb1017 mb1019 mb1019 mb1017 mb1018 mb1018 mb

Harrow Annual Weather Averages

MonthHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
January-1°C / 30°F-6°C / 21°F-4°C / 26°F84 hours74.89 mm / 2.95 In9 days1018 mb / 31 In
February0°C / 33°F-6°C / 22°F-3°C / 27°F89 hours78.14 mm / 3.08 In8 days1019 mb / 31 In
March6°C / 43°F-1°C / 31°F3°C / 37°F132 hours108.62 mm / 4.28 In8 days1018 mb / 31 In
April12°C / 53°F5°C / 41°F8°C / 47°F140 hours136.84 mm / 5.39 In10 days1015 mb / 30 In
May18°C / 65°F11°C / 52°F15°C / 59°F189 hours120.56 mm / 4.75 In9 days1015 mb / 30 In
June24°C / 75°F17°C / 62°F20°C / 69°F219 hours131.34 mm / 5.17 In9 days1013 mb / 30 In
July27°C / 80°F20°C / 68°F23°C / 74°F242 hours110.20 mm / 4.34 In8 days1015 mb / 30 In
August26°C / 79°F19°C / 66°F22°C / 72°F241 hours89.44 mm / 3.52 In7 days1015 mb / 30 In
September23°C / 73°F16°C / 60°F19°C / 66°F218 hours81.06 mm / 3.19 In7 days1017 mb / 31 In
October16°C / 61°F9°C / 49°F13°C / 55°F170 hours92.13 mm / 3.63 In7 days1017 mb / 31 In
November8°C / 47°F3°C / 37°F6°C / 42°F155 hours85.38 mm / 3.36 In6 days1019 mb / 31 In
December3°C / 37°F-2°C / 29°F0°C / 33°F93 hours97.56 mm / 3.84 In8 days1018 mb / 31 In

Need more than one day of Harrow history?

Download historical weather for Harrow, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

  • Historical weatherDaily and hourly interval data.
  • Yearly monthly averagesMonthly averages for every year since 2009.
  • Monthly climate averagesLong-term climate normals by month.
  • CSV formatReady for Excel, Python, R or your database.
Buy historical weather data Or use the History API

Weather history near Harrow

Region

Ontario

See the Harrow 14-day forecast »

Hotels near Harrow

Harrow weather history: common questions

How far back does Harrow weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Harrow historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

Get your free weather API key in a minute

100,000 calls a month, free for commercial use. No credit card.

Sign up free Read the docs