Climate guideThirty-year normals for Mendrisio
Mendrisio climate by month
Humid subtropical · CfaBest May–Jun · Sep
Annual mean12°day and night
Seasonal swing19°warmest vs coolest
Precipitation1,724 mm146 wet days a year
45.87° N, 8.98° EElevation 338 mUTC+2 · Central European Summer Time
When to goMendrisio · weather score
Best timeMay–Jun · Sep
October: high / low17° / 9°
iSummary
What the weather is like
Mendrisio has a humid subtropical climate (Köppen Cfa): rain spread through the year and no real dry season.
The warmest month is July, when afternoons average 28° and nights 17°. January is the coolest month, with highs of 7° and lows of -1°. The difference between the warmest and the coolest month is about 19°.
About 1,724 mm of precipitation falls in an average year. May is the wettest month (213 mm, 16 wet days) and February the driest (64 mm, 8 wet days). Cloud cover ranges from 23% in July to 39% in April.
Compared with Bern, the capital, Mendrisio is 3.2° warmer on a July afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 28° · July
- Coldest nights
- -1° · January
- Wettest month
- May
- Driest month
- February
- Clearest skies
- July · 23% cloud
- Longest day
- 15 h 43 min
- Shortest day
- 8 h 41 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 | 7° | 9° | 14° | 17° | 21° | 26° | 28° | 27° | 22° | 17° | 12° | 8° |
| Average low | -1° | 0° | 3° | 7° | 11° | 15° | 17° | 17° | 13° | 9° | 4° | 0° |
| Precipitation | 74 mm | 64 mm | 100 mm | 167 mm | 213 mm | 164 mm | 154 mm | 166 mm | 199 mm | 169 mm | 158 mm | 96 mm |
| Wet days (≥1 mm) | 8.3 | 7.7 | 10.2 | 12.8 | 16.1 | 15.2 | 15.6 | 15.5 | 11.8 | 11.7 | 11.6 | 9.7 |
| Cloud cover | 33% | 33% | 34% | 39% | 36% | 30% | 23% | 25% | 31% | 39% | 38% | 35% |
| Daylight | 9h 03 | 10h 22 | 11h 51 | 13h 31 | 14h 55 | 15h 43 | 15h 24 | 14h 10 | 12h 35 | 10h 59 | 9h 30 | 8h 41 |
| Month score | 37 | 39 | 54 | 63 | 65 | 65 | 54 | 57 | 72 | 63 | 35 | 33 |
ivMonth by month
Mendrisio in every month
January37
7° / -1°
74 mm · 8.3 wet days
February39
9° / 0°
64 mm · 7.7 wet days
March54
14° / 3°
100 mm · 10.2 wet days
April63
17° / 7°
167 mm · 12.8 wet days
May65
21° / 11°
213 mm · 16.1 wet days
June65
26° / 15°
164 mm · 15.2 wet days
July54
28° / 17°
154 mm · 15.6 wet days
August57
27° / 17°
166 mm · 15.5 wet days
September72
22° / 13°
199 mm · 11.8 wet days
October63
17° / 9°
169 mm · 11.7 wet days
November35
12° / 4°
158 mm · 11.6 wet days
December33
8° / 0°
96 mm · 9.7 wet days