Silverdale climate — normals and trends
Silverdale (United States) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.4 °C and it receives 1,520 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is August (17.6 °C on average) and the coldest is January (4.6 °C). Rainfall peaks in November.
Silverdale averages 10 frost days, 0 hot days (≥ 30 °C) and 186 rainy days per year.
Silverdale has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 14 to 6 per year over the period.
The hottest day of the period reached 34.3 °C (on 26 June 2021) and the coldest -11.7 °C (on 13 January 1950).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
SilverdaleWashington
- coords
- 47.64°, -122.69°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.4°C
Average daily high
13.3°C
Average daily low
7.8°C
Annual rainfall
1,520mm
Sunshine / day
8.8h
Mean relative humidity
81%
Average peak wind
11.9km/h
Seasonal range
13.0°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
186 d/yr
Annual snowfall
54.6 cm
Average feels-like high
12.0 °C
Average feels-like low
6.0 °C
Average peak gust
30.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.41 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
34.3 °C
26 June 2021
Coldest day
-11.7 °C
13 January 1950
Wettest day
79 mm
19 November 1962
Windiest day
49.9 km/h
12 October 1962
Strongest gust
110.5 km/h
8 January 1953
Hottest feels-like
37.7 °C
26 June 2021
Coldest feels-like
-17.9 °C
13 January 1950
Snowiest day
27.7 cm
1 January 1965
Sunniest day
15.7 h
17 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 7.2 °C | +0.9 °C | 64 mm | -114 mm |
| Feb | 6.7 °C | -0.9 °C | 132 mm | -8 mm |
| Mar | 10.2 °C | +0.9 °C | 162 mm | +19 mm |
| Apr | 13.5 °C | +1.7 °C | 117 mm | -3 mm |
| May | 16.0 °C | +0.7 °C | 129 mm | +28 mm |
| Jun | 18.8 °C | +0.8 °C | 43 mm | -50 mm |
| Jul | 22.0 °C | +0.9 °C | 17 mm | -36 mm |
| Aug | 22.4 °C | +1.1 °C | 62 mm | +3 mm |
| Sep | 20.0 °C | +1.3 °C | 38 mm | -53 mm |
| Oct | 13.8 °C | 0.0 °C | 152 mm | +1 mm |
| Nov | 10.8 °C | +1.6 °C | 203 mm | +7 mm |
| Dec | 9.0 °C | +2.3 °C | 263 mm | +70 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Silverdale?
Silverdale has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.4 °C and it receives 1,520 mm of precipitation per year.
What is the hottest day ever recorded in Silverdale?
The hottest day measured in Silverdale between 1940 and 2025 was 26 June 2021, reaching 34.3 °C.
What is the coldest day in Silverdale?
The coldest day measured in Silverdale between 1940 and 2025 was 13 January 1950, at -11.7 °C.
Does it snow in Silverdale?
Yes. Silverdale gets on average 54.6 cm of snow per year and has around 10 frost days.
Has the climate of Silverdale warmed?
Yes: Silverdale warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Silverdale?
The wettest day measured in Silverdale between 1940 and 2025 was 19 November 1962, with 79 mm of rain in 24 hours.
What was the windiest day in Silverdale?
The windiest day measured in Silverdale between 1940 and 2025 was 12 October 1962, with winds reaching 49.9 km/h.
What is the warmest month in Silverdale?
The warmest month in Silverdale is August (17.6 °C on average); the coldest is January (4.6 °C).
How much does it rain in Silverdale?
Silverdale receives on average 1,520 mm of precipitation per year, spread over about 186 rainy days.
Is it sunny in Silverdale?
Silverdale gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Silverdale?
The heaviest 24-hour snowfall measured in Silverdale between 1940 and 2025 was 1 January 1965, with 27.7 cm.
Are there tropical nights in Silverdale?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Silverdale.
What was the most extreme apparent temperature in Silverdale?
In Silverdale, between 1940 and 2025, the highest apparent temperature reached 37.7 °C on 26 June 2021, and the lowest was -17.9 °C on 13 January 1950.
Compare Silverdale with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Silverdale