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Spa
Weather averages
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Spa Weather and Climate: A Comprehensive Guide

The temperature in Spa can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Visitors to Spa can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 23°C in July to a chilly 5°C in February.

Nighttime temperatures can drop, with average lows reaching -1°C in February. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Spa is known for its substantial rain/snowfall, with annual precipitation reaching 1119 mm. The wettest period in Spa occurs in December, which receives around 115 mm of precipitation. During the driest month, April, Spa experiences moderate rainfall, totaling approximately 74 mm. The consistent precipitation levels throughout the year contribute to a relatively stable climate.

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

The average number of days each month with precipitation

Sunshine over the year

In Spa, summer days are longer and more sunny, with daily sunshine hours peaking at 6.5 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.5 hours per average day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine
Data from: Botrange, Belgium (16 KM, 10 Miles).

Daily hours of sunshine
Data from: Botrange, Belgium (16 KM, 10 Miles).

Average humidity

The city experiences its highest humidity in November, reaching 93%. In June, the humidity drops to its lowest level at 81%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year
Data from: Botrange, Belgium (16 KM, 10 Miles).

Average wind speed

The average wind speed over the year ranges from 3 m/s to 5 m/s. It is lower in June and higher in January, February and December.

The mean monthly wind speed over the year (meters per second)
Data from: Botrange, Belgium (16 KM, 10 Miles).

Forecast for Spa

Wed   Jan 15
4°C | 1°C
SW 1 m/s
overcast and no rain

overcast and no rain

hourly forecast
Thu   Jan 16
4°C | -1°C
SE 3 m/s
almost clear and no rain

almost clear and no rain

hourly forecast
Fri   Jan 17
4°C | -2°C
SE 2 m/s
clear and no rain

clear and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Spa in Belgium

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 Spa?
    July has an average maximum temperature of 23°C and is the warmest month of the year.
  • Which is the coldest month in Spa?
    The coldest month is February with an average maximum temperature of 5°C.
  • Which is the wettest month in Spa?
    December tops the wettest month list with 115 mm of rainfall.
  • Which is the driest month in Spa?
    April is the driest month with 74 mm of precipitation.
  • Which is the sunniest month in Spa?
    May is the sunniest month with an average of 195 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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