Climate & Weather in Napa, 🇺🇸 United States - Monthly Averages, Forecast & Air Quality
🇺🇸 Napa,
United States
#2742
Nomad Score
5.4
Coords
38.2971367, -122.2855293
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CURRENT CONDITIONS
Temperature
32.3°C
/
13.3°C
Feels Like
31.9°C / 13.5°C
Weather
🌫️ Fog
Humidity
%
Wind
14.5 km/h
(gusts 18.4)
UV Index
7.0
Sunrise / Sunset
06:31
/
19:52
Daylight
13.3 hrs
7-DAY FORECAST
| Date | Weather | High | Low | Rain % |
|---|---|---|---|---|
| Sun 23 Aug | 🌫️ Fog | 32.3° | 13.3° | 1% |
| Mon 24 Aug | 🌤️ Overcast | 28.6° | 13.7° | 1% |
| Tue 25 Aug | 🌤️ Overcast | 30.6° | 13.8° | 0% |
| Wed 26 Aug | 🌤️ Overcast | 30.8° | 13.2° | 0% |
| Thu 27 Aug | ☀️ Clear sky | 31.5° | 12.7° | 4% |
| Fri 28 Aug | ☀️ Clear sky | 30.6° | 12.1° | 2% |
BEST MONTHS TO VISIT
| Month | Rating | Avg High | Avg Low | Rain Days |
|---|---|---|---|---|
| May | Excellent | 24.7°C | 10.1°C | 1.5 |
| June | Excellent | 27.6°C | 12.2°C | 0.8 |
| October | Excellent | 24.5°C | 11.0°C | 4.1 |
| April | Excellent | 20.5°C | 7.2°C | 2.8 |
| September | Excellent | 28.6°C | 13.5°C | 2.0 |
| July | Excellent | 29.8°C | 13.2°C | 0.0 |
| August | Excellent | 30.3°C | 13.8°C | 0.4 |
| November | Good | 18.0°C | 7.0°C | 6.8 |
| March | Fair | 16.6°C | 5.6°C | 9.9 |
| January | Fair | 14.7°C | 5.0°C | 7.9 |
| February | Fair | 15.9°C | 4.6°C | 8.1 |
| December | Poor | 13.9°C | 5.5°C | 12.0 |
TEMPERATURE BY MONTH
PRECIPITATION & RAIN DAYS
SUNSHINE, UV & HUMIDITY
AIR QUALITY
28
🟢 Good
US Air Quality Index
European AQI: 30
PM2.5
4.0 µg/m³
PM10
4.9 µg/m³
Ozone
75.0 µg/m³
NO₂
0.7 µg/m³
SO₂
0.6 µg/m³
CO
97.0 µg/m³
UV Index
7.9
Dust
0.0 µg/m³
MONTHLY CLIMATE DATA
| Month | High | Low | Mean | Feels Hi | Feels Lo | Precip | Rain Days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 14.7° | 5.0° | 9.3° | 13.0° | 2.6° | 128.9 mm | 7.9 | 0.0 cm | 210.8 hrs | 9.9 hrs | - | 79.3% | 12.7 km/h | 56.3% |
| Feb | 15.9° | 4.6° | 9.8° | 13.8° | 2.1° | 123.3 mm | 8.1 | 0.5 cm | 226.8 hrs | 10.8 hrs | - | 75.9% | 14.3 km/h | 49.3% |
| Mar | 16.6° | 5.6° | 10.7° | 14.9° | 3.4° | 124.0 mm | 9.9 | 1.1 cm | 279.0 hrs | 12.0 hrs | - | 75.9% | 15.6 km/h | 53.6% |
| Apr | 20.5° | 7.2° | 13.2° | 20.1° | 5.4° | 24.1 mm | 2.8 | 0.0 cm | 342.0 hrs | 13.2 hrs | - | 73.2% | 15.2 km/h | 44.0% |
| May | 24.7° | 10.1° | 16.6° | 24.4° | 8.8° | 9.8 mm | 1.5 | 0.0 cm | 399.9 hrs | 14.3 hrs | - | 65.8% | 16.9 km/h | 32.7% |
| Jun | 27.6° | 12.2° | 19.0° | 27.7° | 11.5° | 5.4 mm | 0.8 | 0.0 cm | 396.0 hrs | 14.8 hrs | - | 63.7% | 16.7 km/h | 33.7% |
| Jul | 29.8° | 13.2° | 20.1° | 30.2° | 13.0° | 0.2 mm | 0.0 | 0.0 cm | 399.9 hrs | 14.5 hrs | - | 65.9% | 15.6 km/h | 32.7% |
| Aug | 30.3° | 13.8° | 20.7° | 30.5° | 13.9° | 1.5 mm | 0.4 | 0.0 cm | 384.4 hrs | 13.6 hrs | - | 65.2% | 15.5 km/h | 29.4% |
| Sep | 28.6° | 13.5° | 19.8° | 28.2° | 13.6° | 14.4 mm | 2.0 | 0.0 cm | 330.0 hrs | 12.4 hrs | - | 67.4% | 14.3 km/h | 33.2% |
| Oct | 24.5° | 11.0° | 16.9° | 23.2° | 10.0° | 52.5 mm | 4.1 | 0.0 cm | 288.3 hrs | 11.2 hrs | - | 67.4% | 12.6 km/h | 39.8% |
| Nov | 18.0° | 7.0° | 11.9° | 16.4° | 5.1° | 85.4 mm | 6.8 | 0.0 cm | 243.0 hrs | 10.1 hrs | - | 75.6% | 11.3 km/h | 53.1% |
| Dec | 13.9° | 5.5° | 9.2° | 12.4° | 3.5° | 183.9 mm | 12.0 | 0.0 cm | 182.9 hrs | 9.5 hrs | - | 86.5% | 11.3 km/h | 68.3% |