Compare the Climate and Weather in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air Base

This page lets you compare and contrast the weather and climate in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air Base year round.

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Average High and Low Temperature

Compare the Average High and Low Temperature in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec15°F15°F20°F20°F25°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F5733744155306938502620311629NowNowMaastricht Aachen AirportMaastricht Aachen AirportSpa-La Sauvenière AirportSpa-La Sauvenière AirportHeerlenHeerlenNATO Air Base GeilenkirchenNATO Air Base Geilenkirchen
The daily average high and low air temperature at 2 meters above the ground. The thin dotted lines are the corresponding perceived temperatures.
HighJanFebMarAprMayJunJulAugSepOctNovDec
Heerlen 42°F43°F50°F57°F64°F69°F73°F72°F66°F58°F48°F43°F
NATO Air Base Geilenkirchen 42°F44°F51°F58°F65°F70°F74°F73°F67°F59°F49°F44°F
Maastricht Aachen Airport 42°F43°F50°F57°F64°F69°F73°F72°F66°F58°F49°F43°F
Spa-La Sauvenière Airport 38°F39°F45°F52°F60°F64°F68°F68°F61°F54°F45°F40°F
Elsenborn-Butgenbach Air Base 36°F38°F44°F51°F59°F64°F68°F67°F61°F53°F43°F38°F
LowJanFebMarAprMayJunJulAugSepOctNovDec
Heerlen 33°F33°F37°F42°F48°F53°F57°F56°F52°F46°F39°F35°F
NATO Air Base Geilenkirchen 34°F33°F37°F42°F48°F53°F57°F56°F52°F46°F39°F35°F
Maastricht Aachen Airport 33°F33°F37°F42°F48°F53°F57°F56°F52°F46°F39°F35°F
Spa-La Sauvenière Airport 30°F30°F35°F40°F46°F51°F55°F54°F50°F44°F37°F32°F
Elsenborn-Butgenbach Air Base 28°F27°F30°F34°F41°F46°F49°F48°F44°F40°F34°F30°F

Heerlen

Average Hourly Temperature in HeerlenJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowvery coldvery coldcoldcoldcoolcomfortable

NATO Air Base Geilenkirchen

Average Hourly Temperature in NATO Air Base GeilenkirchenJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowvery coldvery coldcoldcoldcoolcomfortable

Maastricht Aachen Airport

Average Hourly Temperature in Maastricht Aachen AirportJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowvery coldvery coldcoldcoldcoolcomfortable

Spa-La Sauvenière Airport

Average Hourly Temperature in Spa-La Sauvenière AirportJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowvery coldvery coldcoldcoldcoolcomfortable

Elsenborn-Butgenbach Air Base

Average Hourly Temperature in Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowfreezingvery coldcoldcoolfreezingcomfortablecoolfreezing
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Chance of Clearer Skies

Compare the Chance of Clearer Skies in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%562722NowNowMaastricht Aachen AirportMaastricht Aachen AirportSpa-La Sauvenière AirportSpa-La Sauvenière AirportElsenborn-Butgenbach Air BaseElsenborn-Butgenbach Air BaseHeerlenHeerlenNATO Air Base GeilenkirchenNATO Air Base Geilenkirchen
The percentage of time the sky is clear, mostly clear, or partly cloudy (i.e., less than 60% of the sky is covered by clouds).
Clearer SkiesJanFebMarAprMayJunJulAugSepOctNovDec
Heerlen 32%36%40%45%46%50%56%55%50%40%30%28%
NATO Air Base Geilenkirchen 33%37%40%45%46%50%56%55%50%41%32%29%
Maastricht Aachen Airport 31%36%39%45%46%50%55%55%50%40%30%27%
Spa-La Sauvenière Airport 27%32%36%41%43%47%54%53%47%36%25%22%
Elsenborn-Butgenbach Air Base 26%31%35%40%41%46%53%52%45%34%23%21%

Daily Chance of Precipitation

Compare the Daily Chance of Precipitation in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%36243828NowNowMaastricht Aachen AirportMaastricht Aachen AirportSpa-La Sauvenière AirportSpa-La Sauvenière AirportElsenborn-Butgenbach Air BaseElsenborn-Butgenbach Air BaseHeerlenHeerlen
The percentage of days in which precipitation is observed, excluding trace quantities.
Days of Precip.JanFebMarAprMayJunJulAugSepOctNovDec
Heerlen 9.3d7.8d8.3d7.8d9.5d9.7d9.6d9.1d8.6d9.0d9.1d10.5d
NATO Air Base Geilenkirchen 9.3d7.7d8.1d7.6d9.1d9.4d9.4d8.9d8.5d8.9d9.0d10.3d
Maastricht Aachen Airport 9.4d7.8d8.1d7.6d9.2d9.5d9.4d9.0d8.7d9.0d9.2d10.4d
Spa-La Sauvenière Airport 10.1d8.8d9.0d8.6d10.3d10.5d10.6d9.6d9.4d9.5d9.8d11.2d
Elsenborn-Butgenbach Air Base 10.3d8.8d9.2d8.9d10.6d10.8d11.2d10.1d9.6d9.8d9.9d11.3d

Average Monthly Rainfall

Compare the Average Monthly Rainfall in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec0.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 in3.0 in3.0 in2.21.52.51.72.61.6NowNowMaastricht Aachen AirportMaastricht Aachen AirportSpa-La Sauvenière AirportSpa-La Sauvenière AirportElsenborn-Butgenbach Air BaseElsenborn-Butgenbach Air BaseHeerlenHeerlenNATO Air Base GeilenkirchenNATO Air Base Geilenkirchen
The average rainfall accumulated over the course of a sliding 31-day period centered on the day in question.
RainfallJanFebMarAprMayJunJulAugSepOctNovDec
Heerlen 1.9″1.7″1.6″1.5″1.9″2.2″2.1″2.0″2.1″1.9″1.9″2.1″
NATO Air Base Geilenkirchen 1.8″1.6″1.5″1.4″1.9″2.1″2.1″2.0″2.0″1.8″1.8″2.0″
Maastricht Aachen Airport 1.9″1.7″1.6″1.4″1.9″2.1″2.1″2.0″2.0″1.9″1.9″2.1″
Spa-La Sauvenière Airport 2.1″1.8″1.8″1.7″2.2″2.5″2.4″2.3″2.4″2.2″2.0″2.3″
Elsenborn-Butgenbach Air Base 1.9″1.6″1.7″1.8″2.3″2.6″2.6″2.4″2.5″2.2″2.0″2.1″

Average Monthly Snowfall

Compare the Average Monthly Snowfall in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 in1.02.95.4NowNowMaastricht Aachen AirportMaastricht Aachen AirportSpa-La Sauvenière AirportSpa-La Sauvenière AirportElsenborn-Butgenbach Air BaseElsenborn-Butgenbach Air BaseHeerlenHeerlen
The average snowfall accumulated over the course of a sliding 31-day period centered on the day in question.
SnowfallJanFebMarAprMayJunJulAugSepOctNovDec
Heerlen 0.8″0.5″0.1″0.0″0.0″0.0″0.0″0.0″0.0″0.0″0.1″0.8″
NATO Air Base Geilenkirchen 0.6″0.4″0.1″0.0″0.0″0.0″0.0″0.0″0.0″0.0″0.1″0.7″
Maastricht Aachen Airport 0.7″0.5″0.2″0.0″0.0″0.0″0.0″0.0″0.0″0.0″0.1″0.8″
Spa-La Sauvenière Airport 2.8″2.8″1.4″0.5″0.1″0.0″0.0″0.0″0.0″0.0″1.0″2.8″
Elsenborn-Butgenbach Air Base 4.7″5.2″2.8″1.2″0.1″0.0″0.0″0.0″0.0″0.1″1.8″4.6″

Hours of Daylight

Compare the Hours of Daylight in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec4 hr4 hr6 hr6 hr8 hr8 hr10 hr10 hr12 hr12 hr14 hr14 hr16 hr16 hr18 hr18 hr20 hr20 hr16.57.9NowNowMaastricht Aachen AirportMaastricht Aachen AirportSpa-La Sauvenière AirportSpa-La Sauvenière AirportElsenborn-Butgenbach Air BaseElsenborn-Butgenbach Air BaseHeerlenHeerlenNATO Air Base GeilenkirchenNATO Air Base Geilenkirchen
The number of hours during which the Sun is at least partly above the horizon.
DaylightJanFebMarAprMayJunJulAugSepOctNovDec
Heerlen 8.5h10.0h11.9h13.9h15.6h16.4h16.0h14.5h12.6h10.7h8.9h8.0h
NATO Air Base Geilenkirchen 8.5h10.0h11.9h13.9h15.6h16.5h16.0h14.5h12.6h10.7h8.9h8.0h
Maastricht Aachen Airport 8.5h10.0h11.9h13.9h15.6h16.5h16.0h14.5h12.6h10.7h8.9h8.0h
Spa-La Sauvenière Airport 8.6h10.1h11.9h13.9h15.5h16.4h15.9h14.4h12.6h10.7h9.0h8.1h
Elsenborn-Butgenbach Air Base 8.6h10.1h11.9h13.9h15.5h16.4h15.9h14.4h12.6h10.7h9.0h8.1h

Chance of Muggy Conditions

Compare the Chance of Muggy Conditions in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%34NowNowSpa-La Sauvenière AirportSpa-La Sauvenière Airport
The percentage of time that is muggy, oppressive, or miserable (i.e., a dew point greater than 65°F).
Muggy daysJanFebMarAprMayJunJulAugSepOctNovDec
Heerlen 0.0d0.0d0.0d0.0d0.0d0.4d0.8d0.6d0.1d0.0d0.0d0.0d
NATO Air Base Geilenkirchen 0.0d0.0d0.0d0.0d0.1d0.5d1.1d0.9d0.2d0.0d0.0d0.0d
Maastricht Aachen Airport 0.0d0.0d0.0d0.0d0.0d0.4d1.0d0.8d0.2d0.0d0.0d0.0d
Spa-La Sauvenière Airport 0.0d0.0d0.0d0.0d0.0d0.1d0.2d0.1d0.0d0.0d0.0d0.0d
Elsenborn-Butgenbach Air Base 0.0d0.0d0.0d0.0d0.0d0.1d0.1d0.1d0.0d0.0d0.0d0.0d

Average Wind Speed

Compare the Average Wind Speed in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mph13.08.313.5NowNowMaastricht Aachen AirportMaastricht Aachen AirportSpa-La Sauvenière AirportSpa-La Sauvenière AirportElsenborn-Butgenbach Air BaseElsenborn-Butgenbach Air BaseHeerlenHeerlenNATO Air Base GeilenkirchenNATO Air Base Geilenkirchen
The average of mean hourly wind speeds at 10 meters above the ground.
Wind Speed (mph)JanFebMarAprMayJunJulAugSepOctNovDec
Heerlen 12.811.911.29.89.18.98.88.79.510.511.212.2
NATO Air Base Geilenkirchen 12.711.911.29.89.18.98.88.79.410.511.112.1
Maastricht Aachen Airport 12.811.911.29.89.29.08.88.79.510.511.212.2
Spa-La Sauvenière Airport 13.312.311.410.19.39.18.98.89.711.011.712.7
Elsenborn-Butgenbach Air Base 13.512.511.610.29.59.29.18.99.911.111.913.0

Tourism Score

Compare the Tourism Score in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec002244668810106.70.15.7NowNowMaastricht Aachen AirportMaastricht Aachen AirportElsenborn-Butgenbach Air BaseElsenborn-Butgenbach Air BaseHeerlenHeerlenNATO Air Base GeilenkirchenNATO Air Base Geilenkirchen
The tourism score, which favors clear, rainless days with perceived temperatures between 65°F and 80°F.

Beach/Pool Score

Compare the Beach/Pool Score in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec002244668810103.72.4NowNowMaastricht Aachen AirportMaastricht Aachen AirportSpa-La Sauvenière AirportSpa-La Sauvenière AirportHeerlenHeerlenNATO Air Base GeilenkirchenNATO Air Base Geilenkirchen
The beach/pool score, which favors clear, rainless days with perceived temperatures between 75°F and 90°F.

Growing Season

Compare the Growing Season in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec0%0%20%20%40%40%60%60%80%80%100%100%NowNowMaastricht Aachen AirportMaastricht Aachen AirportSpa-La Sauvenière AirportSpa-La Sauvenière AirportElsenborn-Butgenbach Air BaseElsenborn-Butgenbach Air BaseHeerlenHeerlenNATO Air Base GeilenkirchenNATO Air Base Geilenkirchen
The percentage chance that a given day is within the growing season, defined as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Growing Degree Days

Compare the Growing Degree Days in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°FNowNowMaastricht Aachen AirportMaastricht Aachen AirportSpa-La Sauvenière AirportSpa-La Sauvenière AirportElsenborn-Butgenbach Air BaseElsenborn-Butgenbach Air BaseHeerlenHeerlenNATO Air Base GeilenkirchenNATO Air Base Geilenkirchen
The average growing degree days accumulated over the course of the year, where growing degree days are defined as the integral of warmth above a base temperature (50°F in this case).

Average Daily Incident Shortwave Solar Energy

Compare the Average Daily Incident Shortwave Solar Energy in Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air BaseJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh6.40.7NowNowMaastricht Aachen AirportMaastricht Aachen AirportSpa-La Sauvenière AirportSpa-La Sauvenière AirportElsenborn-Butgenbach Air BaseElsenborn-Butgenbach Air BaseHeerlenHeerlenNATO Air Base GeilenkirchenNATO Air Base Geilenkirchen
The average daily shortwave solar energy reaching the ground per square meter.
Solar Energy (kWh)JanFebMarAprMayJunJulAugSepOctNovDec
Heerlen 0.91.73.04.65.86.36.15.33.82.31.10.7
NATO Air Base Geilenkirchen 0.91.73.04.65.86.36.15.33.82.31.10.7
Maastricht Aachen Airport 0.91.73.04.65.86.36.15.33.82.31.10.7
Spa-La Sauvenière Airport 0.91.73.04.65.76.26.15.33.82.21.10.7
Elsenborn-Butgenbach Air Base 0.91.73.04.55.66.26.15.23.82.21.10.7

This report illustrates the typical weather for Heerlen, NATO Air Base Geilenkirchen, Maastricht Aachen Airport, Spa-La Sauvenière Airport, and Elsenborn-Butgenbach Air Base year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

The details of the data sources used on this page vary between places and are discussed in detail on each place's dedicated page:

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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