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Guidonia Weather and Climate: A Comprehensive Guide

The climate in Guidonia is marked by big temperature swings throughout the year. Temperatures range from very warm during the warmest months to cold in the cooler months. It receives a moderate amount of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

In Guidonia, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 32°C in August to a chilly 12°C in January.

Nighttime temperatures can drop, with average lows reaching 2°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

On average, Guidonia receives a reasonable amount of rain/snowfall, with an annual precipitation of 985 mm. The seasons in Guidonia, bring significant changes in precipitation. The wettest month, November, receives high rainfall, with an average of 136 mm of precipitation. This rainfall is distributed across 15 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 29 mm over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Guidonia Precipitation page.

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

Sunshine over the year

In Guidonia, summer days are longer and more sunny, with daily sunshine hours peaking at 11.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.7 hours per average day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Rome, Italy (46 KM, 28 Miles).

Daily hours of sunshine

Data from: Rome, Italy (46 KM, 28 Miles).

Forecast for Guidonia

Sun   Dec 22
12°C | -2°C
SE 5 m/s
13 mm
broken clouds and  chance of slight rain

broken clouds and chance of slight rain

Mon   Dec 23
10°C | 3°C
NW 6 m/s
4.9 mm
almost clear and no rain

almost clear and no rain

Tue   Dec 24
11°C | -1°C
NW 4 m/s
almost clear and no rain

almost clear and no rain

The best time of year to visit Guidonia in Italy

During the months of May and October 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 Guidonia?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Guidonia?
    August has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Guidonia?
    The coldest month is January with an average maximum temperature of 12°C.
  • Which is the wettest month in Guidonia?
    November tops the wettest month list with 136 mm of rainfall.
  • Which is the driest month in Guidonia?
    July is the driest month with 29 mm of precipitation.
  • Which is the sunniest month in Guidonia?
    July is the sunniest month with an average of 332 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.