Riemst weather in August

In August, Riemst sees average daytime highs of 22°C and overnight lows near 14°C, with 79 mm of rain across 12.3 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 18% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 12 min at the start of August to 13 h 24 min by month's end. Set against the rest of the year, August is Riemst's 1st-clearest and 12th-windiest month. For the whole year in context, see Riemst's year-round climate.

Daytime high
22°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
79 mm
12.3 wet days
Daylight
14 h 18 min
5:31 AM – 7:52 PM
Cloud cover
64%
1st clearest
Wind
12 km/h
12th windiest
Solar energy
4.43 kWh/m²
Travel score
6.3
out of 10

Riemst is town in Riemst municipality, Belgium.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 21°C by the end.

A typical August day in Riemst reaches about 22°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 28°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12414
22414
32414
42414
52414
62414
72314
82314
92314
102314
112314
122314
132314
142314
152314
162314
172314
182214
192214
202214
212213
222213
232213
242213
252213
262113
272113
282113
292113
302112
312112

How August really feels in Riemst

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Riemst weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 701328.20.2
Feb / 63122.99.70.5
Mar10° / 6413.21.211.52.1
Apr14° / 5211.20.113.53.9
May18° / 6312.7015.25.3
Jun21° / 12°7412.7016.25.8
Jul23° / 14°7812.9015.86.3
Aug22° / 14°7912.3014.36.3
Sep19° / 11°6210.8012.45.8
Oct14° / 6311.8010.43.9
Nov / 6712.60.58.71.7
Dec / 82142.67.80.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54159
64159
74060
84060
94060
103961
113961
123862
133763
143763
153763
163664
173664
183565
193664
203664
213664
223664
233565
243565
253664
263664
273664
283565
293565
303565
313565

Chance of precipitation in August

Any precipitation

Riemst gets around 79 mm of rain over 12.3 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
438
538
638
739
839
939
1040
1140
1240
1340
1441
1541
1641
1741
1841
1941
2041
2141
2241
2341
2440
2540
2640
2739
2839
2938
3037
3137

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13645181
23645181
33646171
43646161
53747161
63747151
73747151
83847151
93846141
103946141
114045141
124045141
134144141
144143141
154243141
164342151
174441151
184440151
194539151
204638151
214837151
224936141
235134141
245333131
255432131
265631121
275730121
285929111
295929111
306128101
31632791

Wind in August

Winds average 12 km/h in August, the calmest month.

Across August, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 12 min at the start of August to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 108 minutes over August. Sunrise moves from 5:08 AM to 5:55 AM, and sunset from 8:19 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.25:088:19
215.15:108:17
315.15:118:16
415.05:138:14
515.05:148:12
614.95:168:11
714.95:178:09
814.85:198:07
914.85:208:05
1014.75:228:04
1114.65:238:02
1214.65:258:00
1314.55:277:58
1414.55:287:56
1514.45:307:54
1614.35:317:52
1714.35:337:50
1814.25:347:48
1914.25:367:46
2014.15:387:44
2114.05:397:42
2214.05:417:40
2313.95:427:38
2413.95:447:36
2513.85:457:33
2613.75:477:31
2713.75:497:29
2813.65:507:27
2913.55:527:25
3013.55:537:22
3113.45:557:20

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.43 kWh/m².

For context, solar energy here swings from a low near 0.64 kWh/m² to a high of 5.31 kWh/m² in June across the year — August's 4.43 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.9Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.7Bright
124.6Bright
134.6Bright
144.5Bright
154.5Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.0Bright
264.0Moderate
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
313.7Moderate
Planning a trip in August

Is August a good time to visit Riemst?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.3
Sightseeing
1st-best month of the year
4.6
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Riemst for sightseeing.

What to pack for Riemst in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Riemst sees daytime highs around 22°C and nights near 14°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

UV index in Riemst in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Riemst peaks around July 13 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Riemst in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Riemst is worst in April — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1216 µg/m³Dec 1311 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar16Moderate
Apr16Moderate
May15Moderate
Jun14Moderate
Jul13Moderate
Aug14Moderate
Sep13Moderate
Oct12Good
Nov11Good
Dec11Good
Location & terrain

Where is Riemst?

Riemst sits at 50.8°N, 5.6°E, 105 m above sea level, in Belgium. The nearest listed city is Maastricht, 7.0 km away.

HerstalDiepenbeek

Topography around Riemst

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Riemst.

Within 3 km, the terrain around Riemst has only modest variations in elevation — a maximum elevation change of 50 m around an average of 97 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 203 m; within 80 km, large variations in elevation — a maximum elevation change of 996 m.

The land around Riemst is covered by cropland (67%) within 3 km, cropland (35%), trees (28%) and grassland (21%) within 16 km, and trees (39%), cropland (27%) and grassland (25%) within 80 km.

3 km
50 m
16 km
203 m
80 km
996 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Maastricht 7.0 km · Bilzen 9.0 km · Lanaken 10 km · Tongeren 10 km · Visé 11 km · Oupeye 11 km · Herstal 16 km · Diepenbeek 17 km

Belgium travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 81% of US
price level, 2025
GDP per capita
$60,750
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
5.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 608
Religion
Roman Catholic 57%nonbeliever/agnostic 20%atheist 9%Muslim 7%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Riemst (50.81°, 5.6013°, elevation 105 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).