Waldorf climate — normals and trends
Waldorf (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.2 °C and it receives 1,010 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 (25.9 °C on average) and the coldest is January (2.1 °C). Rainfall peaks in July.
Waldorf averages 53 frost days, 44 hot days (≥ 30 °C) and 114 rainy days per year.
Waldorf has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 61 to 45 per year over the period.
The hottest day of the period reached 39.1 °C (on 8 July 2012) and the coldest -19.5 °C (on 19 January 1994).
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
WaldorfMaryland
- coords
- 38.62°, -76.94°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.2°C
Average daily high
18.5°C
Average daily low
10.5°C
Annual rainfall
1,010mm
Sunshine / day
9.2h
Mean relative humidity
70%
Average peak wind
15.2km/h
Seasonal range
23.8°C
Frost days (< 0 °C)
53 d/yr
Hot days (≥ 30 °C)
44 d/yr
Rainy days (≥ 1 mm)
114 d/yr
Annual snowfall
35.6 cm
Average feels-like high
17.8 °C
Average feels-like low
8.9 °C
Average peak gust
33.9 km/h
Tropical nights (≥ 20 °C)
77 d/yr
Solar radiation
15.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.34 · 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
39.1 °C
8 July 2012
Coldest day
-19.5 °C
19 January 1994
Wettest day
142 mm
16 September 1999
Windiest day
49.0 km/h
15 October 1954
Strongest gust
121.0 km/h
18 September 2003
Hottest feels-like
43.9 °C
27 June 1952
Coldest feels-like
-26.1 °C
19 January 1994
Snowiest day
33.3 cm
19 December 2009
Sunniest day
14.2 h
4 July 2025
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 | 3.7 °C | -2.2 °C | 59 mm | -18 mm |
| Feb | 7.9 °C | +0.3 °C | 110 mm | +36 mm |
| Mar | 16.6 °C | +4.1 °C | 62 mm | -31 mm |
| Apr | 20.5 °C | +2.0 °C | 83 mm | +1 mm |
| May | 23.4 °C | 0.0 °C | 173 mm | +84 mm |
| Jun | 29.2 °C | +1.2 °C | 123 mm | +40 mm |
| Jul | 30.8 °C | +0.7 °C | 236 mm | +139 mm |
| Aug | 26.9 °C | -2.1 °C | 16 mm | -75 mm |
| Sep | 25.6 °C | +0.1 °C | 99 mm | +12 mm |
| Oct | 19.6 °C | 0.0 °C | 43 mm | -33 mm |
| Nov | 14.1 °C | +0.5 °C | 32 mm | -48 mm |
| Dec | 6.8 °C | -1.2 °C | 47 mm | -34 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 Waldorf?
Waldorf has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.2 °C and it receives 1,010 mm of precipitation per year.
What is the hottest day ever recorded in Waldorf?
The hottest day measured in Waldorf between 1940 and 2025 was 8 July 2012, reaching 39.1 °C.
What is the coldest day in Waldorf?
The coldest day measured in Waldorf between 1940 and 2025 was 19 January 1994, at -19.5 °C.
Does it snow in Waldorf?
Yes. Waldorf gets on average 35.6 cm of snow per year and has around 53 frost days.
Has the climate of Waldorf warmed?
Yes: Waldorf warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Waldorf?
The wettest day measured in Waldorf between 1940 and 2025 was 16 September 1999, with 142 mm of rain in 24 hours.
What was the windiest day in Waldorf?
The windiest day measured in Waldorf between 1940 and 2025 was 15 October 1954, with winds reaching 49.0 km/h.
What is the warmest month in Waldorf?
The warmest month in Waldorf is July (25.9 °C on average); the coldest is January (2.1 °C).
How much does it rain in Waldorf?
Waldorf receives on average 1,010 mm of precipitation per year, spread over about 114 rainy days.
Is it sunny in Waldorf?
Waldorf gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Waldorf?
The heaviest 24-hour snowfall measured in Waldorf between 1940 and 2025 was 19 December 2009, with 33.3 cm.
Are there tropical nights in Waldorf?
Yes: Waldorf has on average 77 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Waldorf?
In Waldorf, between 1940 and 2025, the highest apparent temperature reached 43.9 °C on 27 June 1952, and the lowest was -26.1 °C on 19 January 1994.
Compare Waldorf with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Waldorf