Weather radar Seattle
Real-time precipitation radar · Washington · United States
Seattle climate table – average temperature, precipitation & sunshine hours
The climate table for Seattle shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 7.9° | 8.1° | 11.2° | 13.8° | 17.2° | 20.9° | 24.8° | 24.2° | 20.8° | 15.6° | 10.4° | 8° |
| Avg low (°C) | 3.5° | 3.2° | 4.8° | 6.2° | 9.5° | 12.6° | 15.1° | 15.2° | 12.9° | 8.8° | 5.6° | 4.1° |
| Precipitation (mm) | 177 | 134 | 121 | 89 | 78 | 60 | 10 | 33 | 51 | 126 | 196 | 222 |
| Rainy days | 17 | 18 | 17 | 16 | 13 | 9 | 2 | 6 | 8 | 15 | 19 | 22 |
| Sunshine hours | 135 | 147 | 232 | 288 | 335 | 346 | 400 | 350 | 284 | 214 | 137 | 103 |
| Humidity | 84% | 81% | 77% | 72% | 73% | 71% | 68% | 73% | 77% | 83% | 85% | 86% |
Best time to visit Seattle
The best time to visit Seattle is typically July. In this month the average high is 24.8°C, precipitation is 10 mm and sunshine duration is 400 hours. The annual average high is 15.2°C, total annual precipitation is 1297 mm (162 rainy days/year) and annual sunshine is 2971 hours.
Frequently asked questions about the weather in Seattle
How up to date is the weather radar for Seattle?
The weather radar for Seattle is updated every 5 minutes with new radar data from the US NEXRAD network. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Seattle?
Besides the rain radar, RadarWeather provides for Seattle: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Seattle?
The thunderstorm potential for Seattle is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Seattle.
What is the climate like in Seattle?
Seattle has an annual average high of 15.2°C. The warmest month is July (avg high 24.8°C), the coldest February (avg low 3.2°C). The wettest month is December with 222 mm, the driest July with 10 mm. Total annual precipitation is 1297 mm (162 rainy days). Annual sunshine is 2971 hours.
Weather radar near Seattle
Victoria · Vancouver · Portland · Kelowna · Calgary · Edmonton · Sacramento · San Francisco
All cities in the USA →