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Riol Weather and Climate: A Comprehensive Guide

Riol experiences great temperature shifts. The city's weather can transition from warm days to cold weather. It receives a reasonable amount of rain/snowfall. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

The climate in Riol is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 24°C in July. In January, the coolest month of the year, temperatures drop to a chilly 5°C.

At night, you can expect cooler temperatures, with averages dropping to around -1°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Riol receives mid-range precipitation levels, with 950 mm annually. Despite minor fluctuations, Riol enjoys fairly consistent precipitation throughout the year. In December, you can expect around 103 mm of precipitation, while in April, Riol receives about 64 mm.

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

Sunshine over the year

Riol can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.5 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.4 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Trier, Germany (12 KM, 7 Miles).

Daily hours of sunshine

Data from: Trier, Germany (12 KM, 7 Miles).

Forecast for Riol

Tue   Dec 24
4°C | 2°C
S 3 m/s
1.4 mm
overcast and slight rain

overcast and slight rain

Wed   Dec 25
6°C | 2°C
E 2 m/s
overcast and no rain

overcast and no rain

Thu   Dec 26
8°C | 1°C
NE 4 m/s
clear and no rain

clear and no rain

The best time of year to visit Riol in Germany

During the months of June, July and August 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:
  • Which is the warmest month in Riol?
    July has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Riol?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in Riol?
    December tops the wettest month list with 103 mm of rainfall.
  • Which is the driest month in Riol?
    April is the driest month with 64 mm of precipitation.
  • Which is the sunniest month in Riol?
    July is the sunniest month with an average of 224 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.