Climate guideThirty-year normals for Bron
Bron climate by month
Humid subtropical · CfaBest Apr · Sep–Oct
Annual mean13°day and night
Seasonal swing18°warmest vs coolest
Precipitation875 mm134 wet days a year
45.74° N, 4.91° EElevation 205 mUTC+1 · Central European Standard Time
When to goBron · weather score
Best timeApr · Sep–Oct
October: high / low18° / 9°
iSummary
What the weather is like
Bron 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 16°. January is the coolest month, with highs of 7° and lows of 1°. The difference between the warmest and the coolest month is about 18°.
About 875 mm of precipitation falls in an average year. May is the wettest month (95 mm, 13 wet days) and September the driest (92 mm, 9 wet days). Cloud cover ranges from 25% in July to 47% in December.
Compared with Paris, the capital, Bron is 2.4° 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
- September
- Clearest skies
- July · 25% cloud
- Longest day
- 15 h 41 min
- Shortest day
- 8 h 42 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° | 18° | 22° | 26° | 28° | 28° | 23° | 18° | 11° | 8° |
| Average low | 1° | 1° | 4° | 7° | 11° | 14° | 16° | 16° | 12° | 9° | 5° | 2° |
| Precipitation | 52 mm | 46 mm | 54 mm | 77 mm | 95 mm | 77 mm | 68 mm | 68 mm | 92 mm | 98 mm | 86 mm | 62 mm |
| Wet days (≥1 mm) | 12.3 | 9.1 | 11.7 | 10.2 | 13.3 | 12.1 | 11 | 10.6 | 8.8 | 10.8 | 11.6 | 12.2 |
| Cloud cover | 46% | 41% | 38% | 39% | 39% | 32% | 25% | 27% | 32% | 41% | 46% | 47% |
| Daylight | 9h 04 | 10h 23 | 11h 51 | 13h 31 | 14h 55 | 15h 41 | 15h 23 | 14h 10 | 12h 35 | 11h 00 | 9h 31 | 8h 42 |
| Month score | 22 | 32 | 48 | 70 | 65 | 66 | 60 | 62 | 78 | 69 | 31 | 22 |
ivMonth by month
Bron in every month
January22
7° / 1°
52 mm · 12.3 wet days
February32
9° / 1°
46 mm · 9.1 wet days
March48
14° / 4°
54 mm · 11.7 wet days
April70
18° / 7°
77 mm · 10.2 wet days
May65
22° / 11°
95 mm · 13.3 wet days
June66
26° / 14°
77 mm · 12.1 wet days
July60
28° / 16°
68 mm · 11 wet days
August62
28° / 16°
68 mm · 10.6 wet days
September78
23° / 12°
92 mm · 8.8 wet days
October69
18° / 9°
98 mm · 10.8 wet days
November31
11° / 5°
86 mm · 11.6 wet days
December22
8° / 2°
62 mm · 12.2 wet days