Climate guideThirty-year normals for Dison
Dison climate by month
Oceanic · CfbBest May–Jun · Sep
Annual mean10°day and night
Seasonal swing16°warmest vs coolest
Precipitation1,126 mm152 wet days a year
50.61° N, 5.85° EElevation 197 mUTC+1 · Central European Standard Time
When to goDison · weather score
Best timeMay–Jun · Sep
October: high / low14° / 7°
iSummary
What the weather is like
Dison has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is July, when afternoons average 23° and nights 14°. January is the coolest month, with highs of 5° and lows of 0°. The difference between the warmest and the coolest month is about 16°.
About 1,126 mm of precipitation falls in an average year. December is the wettest month (111 mm, 15 wet days) and April the driest (73 mm, 10 wet days). Cloud cover ranges from 37% in August to 57% in December.
Compared with Brussels, the capital, Dison is 0.7° cooler on a July afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 23° · July
- Coldest nights
- 0° · January
- Wettest month
- December
- Driest month
- April
- Clearest skies
- August · 37% cloud
- Longest day
- 16 h 27 min
- Shortest day
- 8 h 01 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 5° | 6° | 10° | 15° | 18° | 21° | 23° | 23° | 19° | 14° | 9° | 6° |
| Average low | 0° | 0° | 3° | 5° | 9° | 12° | 14° | 13° | 10° | 7° | 4° | 1° |
| Precipitation | 105 mm | 89 mm | 97 mm | 73 mm | 86 mm | 96 mm | 96 mm | 94 mm | 90 mm | 94 mm | 95 mm | 111 mm |
| Wet days (≥1 mm) | 14.2 | 12.4 | 12.3 | 9.8 | 12.4 | 12.6 | 13.9 | 14 | 10.3 | 12.2 | 13.2 | 14.9 |
| Cloud cover | 54% | 50% | 49% | 43% | 43% | 41% | 38% | 37% | 43% | 48% | 54% | 57% |
| Daylight | 8h 28 | 10h 03 | 11h 49 | 13h 47 | 15h 29 | 16h 27 | 16h 03 | 14h 34 | 12h 41 | 10h 47 | 9h 00 | 8h 01 |
| Month score | 15 | 20 | 21 | 53 | 65 | 66 | 64 | 64 | 70 | 44 | 17 | 14 |
ivMonth by month
Dison in every month
January15
5° / 0°
105 mm · 14.2 wet days
February20
6° / 0°
89 mm · 12.4 wet days
March21
10° / 3°
97 mm · 12.3 wet days
April53
15° / 5°
73 mm · 9.8 wet days
May65
18° / 9°
86 mm · 12.4 wet days
June66
21° / 12°
96 mm · 12.6 wet days
July64
23° / 14°
96 mm · 13.9 wet days
August64
23° / 13°
94 mm · 14 wet days
September70
19° / 10°
90 mm · 10.3 wet days
October44
14° / 7°
94 mm · 12.2 wet days
November17
9° / 4°
95 mm · 13.2 wet days
December14
6° / 1°
111 mm · 14.9 wet days