Oildale climate — normals and trends
Oildale (United States) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 18.0 °C and it receives 275 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 July (28.8 °C on average) and the coldest is January (9.1 °C). Rainfall peaks in March.
Oildale averages 5 frost days, 116 hot days (≥ 30 °C) and 45 rainy days per year.
Oildale has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 10 to 0 per year over the period.
The hottest day of the period reached 44.6 °C (on 6 September 2022) and the coldest -7.9 °C (on 23 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
OildaleCalifornia
- coords
- 35.42°, -119.02°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.0°C
Average daily high
24.3°C
Average daily low
12.4°C
Annual rainfall
275mm
Sunshine / day
11.2h
Mean relative humidity
52%
Average peak wind
10.4km/h
Seasonal range
19.7°C
Frost days (< 0 °C)
5 d/yr
Hot days (≥ 30 °C)
116 d/yr
Rainy days (≥ 1 mm)
45 d/yr
Annual snowfall
0.6 cm
Average feels-like high
23.4 °C
Average feels-like low
10.6 °C
Average peak gust
25.7 km/h
Tropical nights (≥ 20 °C)
68 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.57 · 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
44.6 °C
6 September 2022
Coldest day
-7.9 °C
23 December 1990
Wettest day
56 mm
5 December 1966
Windiest day
36.7 km/h
3 February 1998
Strongest gust
81.4 km/h
4 January 1995
Hottest feels-like
47.8 °C
4 July 1991
Coldest feels-like
-12.6 °C
23 December 1990
Snowiest day
4.8 cm
13 January 1949
Sunniest day
14.0 h
25 May 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 | 15.8 °C | +1.3 °C | 13 mm | -32 mm |
| Feb | 18.4 °C | +2.1 °C | 36 mm | -12 mm |
| Mar | 18.1 °C | -0.3 °C | 97 mm | +42 mm |
| Apr | 23.0 °C | +0.8 °C | 24 mm | -4 mm |
| May | 29.0 °C | +1.9 °C | 3 mm | -7 mm |
| Jun | 34.1 °C | +2.1 °C | 0 mm | -2 mm |
| Jul | 35.7 °C | -0.1 °C | 0 mm | -1 mm |
| Aug | 36.6 °C | +1.7 °C | 1 mm | -1 mm |
| Sep | 32.1 °C | +0.6 °C | 6 mm | +2 mm |
| Oct | 24.2 °C | -1.2 °C | 32 mm | +21 mm |
| Nov | 19.5 °C | +0.8 °C | 89 mm | +60 mm |
| Dec | 15.6 °C | +0.9 °C | 45 mm | +5 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 Oildale?
Oildale has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 275 mm of precipitation per year.
What is the hottest day ever recorded in Oildale?
The hottest day measured in Oildale between 1940 and 2025 was 6 September 2022, reaching 44.6 °C.
What is the coldest day in Oildale?
The coldest day measured in Oildale between 1940 and 2025 was 23 December 1990, at -7.9 °C.
Does it snow in Oildale?
Almost never: Oildale sees virtually no snow, with about 5 frost days per year.
Has the climate of Oildale warmed?
Yes: Oildale warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Oildale?
The wettest day measured in Oildale between 1940 and 2025 was 5 December 1966, with 56 mm of rain in 24 hours.
What was the windiest day in Oildale?
The windiest day measured in Oildale between 1940 and 2025 was 3 February 1998, with winds reaching 36.7 km/h.
What is the warmest month in Oildale?
The warmest month in Oildale is July (28.8 °C on average); the coldest is January (9.1 °C).
How much does it rain in Oildale?
Oildale receives on average 275 mm of precipitation per year, spread over about 45 rainy days.
Is it sunny in Oildale?
Oildale gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
What is the biggest single-day snowfall in Oildale?
The heaviest 24-hour snowfall measured in Oildale between 1940 and 2025 was 13 January 1949, with 4.8 cm.
Are there tropical nights in Oildale?
Yes: Oildale has on average 68 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Oildale?
In Oildale, between 1940 and 2025, the highest apparent temperature reached 47.8 °C on 4 July 1991, and the lowest was -12.6 °C on 23 December 1990.
Compare Oildale with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Oildale