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Harvey
Weather averages
ClimateForecastMayJune >>

Climate in Harvey (Illinois), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year
* Data from: Chicago, the United States of America (46 KM, 28 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year
* Data from: Chicago, the United States of America (46 KM, 28 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year
* Data from: Chicago, the United States of America (46 KM, 28 Miles).

Forecast for Harvey (IL)

Mon   May 06
22°C | 8°C
NE 11 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
Tue   May 07
24°C | 13°C
S 25 km/h
5.9 mm
broken clouds and thunder

broken clouds and thunder

hourly forecast
Wed   May 08
25°C | 12°C
SW 18 km/h
4.1 mm
partly cloudy and small chance of rain

partly cloudy and small chance of rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Harvey in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is summer in Harvey?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Harvey?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Harvey?
    The coldest month is January with an average maximum temperature of 0°C.
  • Which is the wettest month in Harvey?
    August tops the wettest month list with 122 mm of rainfall.
  • Which is the driest month in Harvey?
    November is the driest month with 54 mm of precipitation.
  • Which is the sunniest month in Harvey?
    July is the sunniest month with an average of 319 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     

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