Monthly climate in Diest, Flanders, Belgium

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Diest features a oceanic climate (Cfb).Temperatures typically range between 4 °C (40 °F) and 19 °C (67 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 40 °C (105 °F).The average annual precipitation amounts to about 825 mm (32.5 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually.Diest enjoys an average of 3359 hours of sunshine throughout the year, and daylight varies from 7 hours 58 minutes to 16 hours 27 minutes per day.

Monthly average temperatures in Diest, Flanders, Belgium §

The warmest months in Diest are June, July and August, with daily mean temperatures ranging from 19 to 19 °C (66 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 6 °C (40 - 42 °F) throughout the day. On average each year, Diest experiences 31 days above 25 °C (77.0 °F) and 27 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Diest, Flanders, Belgium.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 14°C
(57°F)
19°C
(66°F)
23°C
(74°F)
28°C
(82°F)
31°C
(89°F)
34°C
(93°F)
40°C
(105°F)
35°C
(95°F)
34°C
(93°F)
26°C
(79°F)
19°C
(66°F)
15°C
(60°F)
Mean maximum 12°C
(54°F)
15°C
(60°F)
19°C
(66°F)
24°C
(75°F)
27°C
(81°F)
29°C
(85°F)
32°C
(89°F)
32°C
(90°F)
28°C
(83°F)
23°C
(73°F)
16°C
(62°F)
14°C
(58°F)
Average high 6°C
(44°F)
8°C
(47°F)
11°C
(53°F)
15°C
(59°F)
19°C
(66°F)
23°C
(74°F)
24°C
(75°F)
23°C
(75°F)
20°C
(69°F)
16°C
(61°F)
10°C
(51°F)
8°C
(46°F)
Daily mean 4°C
(40°F)
5°C
(42°F)
7°C
(46°F)
10°C
(51°F)
14°C
(57°F)
19°C
(66°F)
19°C
(67°F)
19°C
(67°F)
16°C
(60°F)
12°C
(55°F)
7°C
(46°F)
6°C
(42°F)
Average low 2°C
(36°F)
3°C
(37°F)
4°C
(39°F)
5°C
(42°F)
9°C
(48°F)
14°C
(57°F)
14°C
(58°F)
15°C
(59°F)
11°C
(53°F)
10°C
(49°F)
5°C
(41°F)
4°C
(39°F)
Mean minimum -3°C
(27°F)
-4°C
(26°F)
-3°C
(27°F)
-1°C
(30°F)
2°C
(36°F)
9°C
(48°F)
9°C
(49°F)
9°C
(49°F)
6°C
(43°F)
3°C
(39°F)
-1°C
(30°F)
-3°C
(27°F)
Minimum -6°C
(21°F)
-8°C
(18°F)
-7°C
(19°F)
-3°C
(26°F)
1°C
(33°F)
7°C
(46°F)
7°C
(46°F)
8°C
(46°F)
3°C
(38°F)
1°C
(35°F)
-2°C
(28°F)
-5°C
(23°F)

Compare climate in Diest with other places

Compare temperature, precipitation, sunshine, UV index in Diest, Flanders, Belgium with other places around the world.

Monthly average precipitation in Diest, Flanders, Belgium §

Diest usually has the most precipitation in July, October and December, with an average of 13 rainy days and 86 mm (3.4 inches) of precipitation per month.The driest months in Diest are April, September and November. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Diest, Flanders, Belgium.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 64 (2.5) 71 (2.8) 73 (2.9) 33 (1.3) 63 (2.5) 73 (2.9) 79 (3.1) 78 (3.1) 57 (2.2) 82 (3.2) 56 (2.2) 96 (3.8)
Average precipitation days (≥ 1 mm) 11 12 14 8 12 11 11 14 10 12 11 17

Monthly sunshine hours in Diest, Flanders, Belgium §

The sunniest months in Diest are May, June and July, when the sun shines an average of 12 hours 52 minutes a day.Least sunny months in Diest: January, November and December receive an average of 4 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Diest, Flanders, Belgium.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 118 198 268 340 391 389 402 376 315 235 185 134
Mean daily daylight hours 8h 27m 10h 0m 11h 55m 13h 52m 15h 34m 16h 27m 15h 59m 14h 27m 12h 34m 10h 38m 8h 53m 7h 58m

Solar UV radiation in Diest, Flanders, Belgium §

Diest experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure.January, February and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Diest UV Index data.

Average daily maximum UV levels by month for Diest, Flanders, Belgium.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 2 4 5 7 8 8 7 5 3 2 1