Newberg climate — normals and trends
Newberg has a warm-summer mediterranean climate, averaging 11.7 °C annually with 1,179 mm of rain per year.
Climate normals · ERA5
NewbergOregon
- coords
- 45.30°, -122.97°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
Mean daily temperature
11.7°C
Average daily high
16.9°C
Average daily low
7.1°C
Annual rainfall
1,179mm
Sunshine / day
8.8h
Mean relative humidity
73%
Average peak wind
13.8km/h
Seasonal range
15.4°C
Frost days (< 0 °C)
32 d/yr
Hot days (≥ 30 °C)
26 d/yr
Rainy days (≥ 1 mm)
136 d/yr
Annual snowfall
18.4 cm
Average feels-like high
15.3 °C
Average feels-like low
4.9 °C
Average peak gust
32.7 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
13.8 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.46 · 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).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
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
The most extreme days ever measured here, then the year-by-year detail.
Hottest day
46.1 °C
28 June 2021
Coldest day
-20.5 °C
31 January 1950
Wettest day
86 mm
24 November 1960
Windiest day
52.6 km/h
14 November 1981
Strongest gust
117.7 km/h
14 December 2006
Hottest feels-like
47.5 °C
28 June 2021
Coldest feels-like
-25.0 °C
31 January 1950
Snowiest day
15.1 cm
3 March 1960
Sunniest day
15.2 h
23 June 1945
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 8.7 °C | +1.0 °C | 91 mm | -86 mm |
| Feb | 9.4 °C | -0.7 °C | 147 mm | +9 mm |
| Mar | 13.4 °C | +0.9 °C | 199 mm | +56 mm |
| Apr | 18.1 °C | +2.8 °C | 57 mm | -35 mm |
| May | 20.3 °C | +1.0 °C | 23 mm | -36 mm |
| Jun | 25.1 °C | +2.3 °C | 19 mm | -15 mm |
| Jul | 29.4 °C | +2.0 °C | 0 mm | -9 mm |
| Aug | 29.6 °C | +2.3 °C | 11 mm | -5 mm |
| Sep | 25.7 °C | +1.7 °C | 31 mm | -10 mm |
| Oct | 16.8 °C | -0.5 °C | 102 mm | -1 mm |
| Nov | 12.3 °C | +1.3 °C | 144 mm | -34 mm |
| Dec | 11.1 °C | +3.2 °C | 211 mm | +21 mm |
The year's extremes
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Climate at a glance
What these normals say about the place, in a few sentences, and the notions needed to read them.
Newberg (United States) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 11.7 °C and it receives 1,179 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 (20.0 °C on average) and the coldest is January (4.6 °C). Rainfall peaks in December.
Newberg averages 32 frost days, 26 hot days (≥ 30 °C) and 136 rainy days per year.
Newberg has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 41 to 23 per year over the period.
The hottest day of the period reached 46.1 °C (on 28 June 2021) and the coldest -20.5 °C (on 31 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.
Compare Newberg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Newberg
Other cities — United States
Frequently asked questions
What is the climate of Newberg?
Newberg has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 11.7 °C and it receives 1,179 mm of precipitation per year.
What is the hottest day ever recorded in Newberg?
The hottest day measured in Newberg between 1940 and 2025 was 28 June 2021, reaching 46.1 °C.
What is the coldest day in Newberg?
The coldest day measured in Newberg between 1940 and 2025 was 31 January 1950, at -20.5 °C.
Does it snow in Newberg?
Yes. Newberg gets on average 18.4 cm of snow per year and has around 32 frost days.
Has the climate of Newberg warmed?
Yes: Newberg warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Newberg?
The wettest day measured in Newberg between 1940 and 2025 was 24 November 1960, with 86 mm of rain in 24 hours.
What was the windiest day in Newberg?
The windiest day measured in Newberg between 1940 and 2025 was 14 November 1981, with winds reaching 52.6 km/h.
What is the warmest month in Newberg?
The warmest month in Newberg is July (20.0 °C on average); the coldest is January (4.6 °C).
How much does it rain in Newberg?
Newberg receives on average 1,179 mm of precipitation per year, spread over about 136 rainy days.
Is it sunny in Newberg?
Newberg 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 Newberg?
The heaviest 24-hour snowfall measured in Newberg between 1940 and 2025 was 3 March 1960, with 15.1 cm.
Are there tropical nights in Newberg?
Yes: Newberg has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Newberg?
In Newberg, between 1940 and 2025, the highest apparent temperature reached 47.5 °C on 28 June 2021, and the lowest was -25.0 °C on 31 January 1950.
These forecasts and records come from our own weather API. Developer documentation →