Parkside climate — normals and trends
Parkside (United States) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 13.0 °C and it receives 532 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 September (16.0 °C on average) and the coldest is January (9.8 °C). Rainfall peaks in January.
Parkside averages 0 frost days, 0 hot days (≥ 30 °C) and 57 rainy days per year.
Parkside has warmed by +0.7 °C between 1940 and 2025, or +0.08 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.2 °C (on 1 September 2017) and the coldest -2.6 °C (on 22 December 1990).
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
ParksideCalifornia
- coords
- 37.74°, -122.49°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.0°C
Average daily high
16.2°C
Average daily low
10.6°C
Annual rainfall
532mm
Sunshine / day
10.5h
Mean relative humidity
80%
Average peak wind
20.4km/h
Seasonal range
6.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
57 d/yr
Annual snowfall
0.0 cm
Average feels-like high
14.7 °C
Average feels-like low
8.5 °C
Average peak gust
34.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
18.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.7 °C
since 1940
+0.1 °C per decade · r² = 0.16 · 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
35.2 °C
1 September 2017
Coldest day
-2.6 °C
22 December 1990
Wettest day
89 mm
24 October 2021
Windiest day
63.6 km/h
3 December 1983
Strongest gust
108.7 km/h
23 December 1955
Hottest feels-like
36.4 °C
1 September 2017
Coldest feels-like
-7.5 °C
9 December 1972
Snowiest day
0.6 cm
13 March 1975
Sunniest day
14.3 h
28 June 1958
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 | 13.9 °C | +1.3 °C | 15 mm | -89 mm |
| Feb | 14.1 °C | +0.5 °C | 137 mm | +39 mm |
| Mar | 14.0 °C | -0.2 °C | 78 mm | -3 mm |
| Apr | 14.9 °C | -0.2 °C | 9 mm | -29 mm |
| May | 16.8 °C | +0.5 °C | 2 mm | -14 mm |
| Jun | 16.3 °C | -1.5 °C | 0 mm | -4 mm |
| Jul | 16.5 °C | -2.0 °C | 2 mm | +1 mm |
| Aug | 19.2 °C | +0.2 °C | 1 mm | 0 mm |
| Sep | 20.2 °C | +0.5 °C | 2 mm | -1 mm |
| Oct | 18.9 °C | +0.3 °C | 29 mm | +3 mm |
| Nov | 16.0 °C | +0.5 °C | 76 mm | +12 mm |
| Dec | 13.3 °C | +0.4 °C | 81 mm | -15 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 Parkside?
Parkside has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 13.0 °C and it receives 532 mm of precipitation per year.
What is the hottest day ever recorded in Parkside?
The hottest day measured in Parkside between 1940 and 2025 was 1 September 2017, reaching 35.2 °C.
What is the coldest day in Parkside?
The coldest day measured in Parkside between 1940 and 2025 was 22 December 1990, at -2.6 °C.
Does it snow in Parkside?
Almost never: Parkside sees virtually no snow, with about 0 frost days per year.
Has the climate of Parkside warmed?
Yes: Parkside warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Parkside?
The wettest day measured in Parkside between 1940 and 2025 was 24 October 2021, with 89 mm of rain in 24 hours.
What was the windiest day in Parkside?
The windiest day measured in Parkside between 1940 and 2025 was 3 December 1983, with winds reaching 63.6 km/h.
What is the warmest month in Parkside?
The warmest month in Parkside is September (16.0 °C on average); the coldest is January (9.8 °C).
How much does it rain in Parkside?
Parkside receives on average 532 mm of precipitation per year, spread over about 57 rainy days.
Is it sunny in Parkside?
Parkside gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in Parkside?
The heaviest 24-hour snowfall measured in Parkside between 1940 and 2025 was 13 March 1975, with 0.6 cm.
Are there tropical nights in Parkside?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Parkside.
What was the most extreme apparent temperature in Parkside?
In Parkside, between 1940 and 2025, the highest apparent temperature reached 36.4 °C on 1 September 2017, and the lowest was -7.5 °C on 9 December 1972.
Compare Parkside with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Parkside