Climate & Weather in Seattle, 🇺🇸 United States - Monthly Averages, Forecast & Air Quality
🇺🇸 Seattle,
United States
#47
Nomad Score
6.5
Coords
47.6038321, -122.3300620
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CURRENT CONDITIONS
Temperature
17.7°C
/
12.9°C
Feels Like
16.0°C / 11.5°C
Weather
🌧️ Moderate rain
Humidity
%
Wind
20.6 km/h
(gusts 47.2)
UV Index
2.2
Sunrise / Sunset
06:44
/
19:24
Daylight
12.7 hrs
7-DAY FORECAST
| Date | Weather | High | Low | Rain % |
|---|---|---|---|---|
| Sun 13 Sep | 🌧️ Moderate rain | 17.7° | 12.9° | 95% |
| Mon 14 Sep | 🌤️ Overcast | 20.4° | 12.2° | 4% |
| Tue 15 Sep | 🌤️ Overcast | 20.6° | 9.9° | 7% |
| Wed 16 Sep | ☀️ Clear sky | 22.4° | 9.9° | 0% |
| Thu 17 Sep | ☀️ Clear sky | 25.3° | 11.5° | 0% |
| Fri 18 Sep | 🌤️ Overcast | 30.4° | 13.7° | 0% |
BEST MONTHS TO VISIT
| Month | Rating | Avg High | Avg Low | Rain Days |
|---|---|---|---|---|
| July | Excellent | 25.3°C | 14.7°C | 1.2 |
| August | Excellent | 25.0°C | 15.3°C | 5.6 |
| June | Excellent | 21.2°C | 12.2°C | 6.4 |
| September | Excellent | 21.0°C | 13.0°C | 7.0 |
| May | Fair | 17.3°C | 9.0°C | 9.9 |
| April | Fair | 13.4°C | 5.6°C | 13.8 |
| October | Poor | 15.4°C | 9.2°C | 13.4 |
| March | Poor | 10.9°C | 4.0°C | 14.5 |
| February | Poor | 7.9°C | 2.4°C | 14.5 |
| January | Poor | 7.8°C | 2.5°C | 15.5 |
| November | Poor | 10.3°C | 5.5°C | 17.2 |
| December | Poor | 8.1°C | 3.8°C | 19.5 |
TEMPERATURE BY MONTH
PRECIPITATION & RAIN DAYS
SUNSHINE, UV & HUMIDITY
AIR QUALITY
64
🟡 Moderate
US Air Quality Index
European AQI: 38
PM2.5
14.0 µg/m³
PM10
17.8 µg/m³
Ozone
72.0 µg/m³
NO₂
9.8 µg/m³
SO₂
0.8 µg/m³
CO
166.0 µg/m³
UV Index
0.0
Dust
3.0 µg/m³
MONTHLY CLIMATE DATA
| Month | High | Low | Mean | Feels Hi | Feels Lo | Precip | Rain Days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 7.8° | 2.5° | 5.0° | 5.0° | -0.8° | 165.7 mm | 15.5 | 6.5 cm | 127.1 hrs | 8.9 hrs | - | 84.1% | 18.5 km/h | 80.4% |
| Feb | 7.9° | 2.4° | 5.0° | 4.9° | -1.2° | 116.0 mm | 14.5 | 12.5 cm | 134.4 hrs | 10.3 hrs | - | 81.2% | 20.1 km/h | 79.0% |
| Mar | 10.9° | 4.0° | 7.1° | 8.0° | 0.6° | 95.2 mm | 14.5 | 2.2 cm | 217.0 hrs | 12.0 hrs | - | 80.4% | 19.4 km/h | 76.4% |
| Apr | 13.4° | 5.6° | 9.2° | 10.8° | 2.5° | 73.4 mm | 13.8 | 1.5 cm | 270.0 hrs | 13.7 hrs | - | 75.6% | 20.0 km/h | 65.3% |
| May | 17.3° | 9.0° | 12.8° | 15.6° | 6.7° | 54.5 mm | 9.9 | 0.0 cm | 306.9 hrs | 15.2 hrs | - | 73.5% | 18.7 km/h | 64.3% |
| Jun | 21.2° | 12.2° | 16.3° | 20.5° | 10.7° | 48.2 mm | 6.4 | 0.0 cm | 345.0 hrs | 15.9 hrs | - | 69.9% | 18.1 km/h | 54.3% |
| Jul | 25.3° | 14.7° | 19.5° | 25.3° | 14.1° | 7.2 mm | 1.2 | 0.0 cm | 403.0 hrs | 15.5 hrs | - | 65.0% | 17.2 km/h | 32.0% |
| Aug | 25.0° | 15.3° | 19.6° | 24.8° | 15.0° | 29.6 mm | 5.6 | 0.0 cm | 347.2 hrs | 14.2 hrs | - | 69.1% | 17.6 km/h | 44.2% |
| Sep | 21.0° | 13.0° | 16.5° | 20.0° | 12.0° | 50.2 mm | 7.0 | 0.0 cm | 276.0 hrs | 12.5 hrs | - | 75.7% | 17.1 km/h | 55.1% |
| Oct | 15.4° | 9.2° | 11.9° | 13.5° | 7.0° | 107.8 mm | 13.4 | 0.0 cm | 201.5 hrs | 10.8 hrs | - | 81.9% | 19.1 km/h | 67.0% |
| Nov | 10.3° | 5.5° | 7.7° | 7.8° | 2.3° | 171.8 mm | 17.2 | 3.3 cm | 129.0 hrs | 9.3 hrs | - | 83.7% | 20.1 km/h | 78.4% |
| Dec | 8.1° | 3.8° | 5.8° | 5.0° | 0.2° | 194.9 mm | 19.5 | 7.6 cm | 102.3 hrs | 8.5 hrs | - | 84.6% | 21.5 km/h | 84.9% |