Manhattan climate — normals and trends
Manhattan (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.5 °C and it receives 854 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 (26.3 °C on average) and the coldest is January (-2.5 °C). Rainfall peaks in May.
Manhattan averages 104 frost days, 68 hot days (≥ 30 °C) and 96 rainy days per year.
Manhattan has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 113 to 95 per year over the period.
The hottest day of the period reached 43.4 °C (on 13 July 1954) and the coldest -32.2 °C (on 23 December 1989).
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
ManhattanKansas
- coords
- 39.18°, -96.57°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.5°C
Average daily high
18.2°C
Average daily low
7.3°C
Annual rainfall
854mm
Sunshine / day
9.5h
Mean relative humidity
67%
Average peak wind
20.8km/h
Seasonal range
28.8°C
Frost days (< 0 °C)
104 d/yr
Hot days (≥ 30 °C)
68 d/yr
Rainy days (≥ 1 mm)
96 d/yr
Annual snowfall
46.4 cm
Average feels-like high
16.4 °C
Average feels-like low
4.7 °C
Average peak gust
40.2 km/h
Tropical nights (≥ 20 °C)
54 d/yr
Solar radiation
16.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.31 · 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
43.4 °C
13 July 1954
Coldest day
-32.2 °C
23 December 1989
Wettest day
95 mm
12 September 2008
Windiest day
56.3 km/h
5 May 1950
Strongest gust
113.0 km/h
15 December 2021
Hottest feels-like
46.5 °C
21 August 2023
Coldest feels-like
-37.9 °C
23 December 1989
Snowiest day
21.1 cm
1 February 1983
Sunniest day
14.8 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 | 0.1 °C | -2.7 °C | 47 mm | +19 mm |
| Feb | 4.1 °C | -1.7 °C | 14 mm | -22 mm |
| Mar | 18.5 °C | +6.6 °C | 24 mm | -45 mm |
| Apr | 20.1 °C | +1.6 °C | 103 mm | +7 mm |
| May | 24.5 °C | +0.9 °C | 73 mm | -54 mm |
| Jun | 29.9 °C | +0.8 °C | 132 mm | +17 mm |
| Jul | 32.8 °C | +0.9 °C | 73 mm | -7 mm |
| Aug | 29.9 °C | -1.2 °C | 95 mm | +16 mm |
| Sep | 26.7 °C | 0.0 °C | 115 mm | +36 mm |
| Oct | 21.9 °C | +1.6 °C | 69 mm | +4 mm |
| Nov | 14.2 °C | +2.4 °C | 56 mm | +9 mm |
| Dec | 9.0 °C | +3.7 °C | 11 mm | -22 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 Manhattan?
Manhattan has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 12.5 °C and it receives 854 mm of precipitation per year.
What is the hottest day ever recorded in Manhattan?
The hottest day measured in Manhattan between 1940 and 2025 was 13 July 1954, reaching 43.4 °C.
What is the coldest day in Manhattan?
The coldest day measured in Manhattan between 1940 and 2025 was 23 December 1989, at -32.2 °C.
Does it snow in Manhattan?
Yes. Manhattan gets on average 46.4 cm of snow per year and has around 104 frost days.
Has the climate of Manhattan warmed?
Yes: Manhattan warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Manhattan?
The wettest day measured in Manhattan between 1940 and 2025 was 12 September 2008, with 95 mm of rain in 24 hours.
What was the windiest day in Manhattan?
The windiest day measured in Manhattan between 1940 and 2025 was 5 May 1950, with winds reaching 56.3 km/h.
What is the warmest month in Manhattan?
The warmest month in Manhattan is July (26.3 °C on average); the coldest is January (-2.5 °C).
How much does it rain in Manhattan?
Manhattan receives on average 854 mm of precipitation per year, spread over about 96 rainy days.
Is it sunny in Manhattan?
Manhattan gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
What is the biggest single-day snowfall in Manhattan?
The heaviest 24-hour snowfall measured in Manhattan between 1940 and 2025 was 1 February 1983, with 21.1 cm.
Are there tropical nights in Manhattan?
Yes: Manhattan has on average 54 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Manhattan?
In Manhattan, between 1940 and 2025, the highest apparent temperature reached 46.5 °C on 21 August 2023, and the lowest was -37.9 °C on 23 December 1989.
Compare Manhattan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Manhattan