Nacogdoches climate — normals and trends
Nacogdoches (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.1 °C and it receives 1,109 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 (28.1 °C on average) and the coldest is January (8.8 °C). Rainfall peaks in April.
Nacogdoches averages 19 frost days, 121 hot days (≥ 30 °C) and 113 rainy days per year.
Nacogdoches has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 43.1 °C (on 27 August 2023) and the coldest -15.9 °C (on 16 February 2021).
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
NacogdochesTexas
- coords
- 31.60°, -94.66°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.1°C
Average daily high
24.8°C
Average daily low
14.2°C
Annual rainfall
1,109mm
Sunshine / day
9.3h
Mean relative humidity
72%
Average peak wind
14.7km/h
Seasonal range
19.3°C
Frost days (< 0 °C)
19 d/yr
Hot days (≥ 30 °C)
121 d/yr
Rainy days (≥ 1 mm)
113 d/yr
Annual snowfall
2.0 cm
Average feels-like high
25.6 °C
Average feels-like low
14.0 °C
Average peak gust
33.8 km/h
Tropical nights (≥ 20 °C)
124 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.39 · 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
43.1 °C
27 August 2023
Coldest day
-15.9 °C
16 February 2021
Wettest day
149 mm
12 September 2003
Windiest day
50.4 km/h
13 September 2008
Strongest gust
138.2 km/h
13 September 2008
Hottest feels-like
45.8 °C
10 August 2015
Coldest feels-like
-21.2 °C
23 December 1989
Snowiest day
20.2 cm
16 January 1964
Sunniest day
13.7 h
11 June 2020
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 | 12.5 °C | -1.6 °C | 105 mm | +7 mm |
| Feb | 17.9 °C | +1.4 °C | 107 mm | +12 mm |
| Mar | 24.2 °C | +3.7 °C | 108 mm | -1 mm |
| Apr | 27.1 °C | +2.4 °C | 103 mm | -14 mm |
| May | 29.4 °C | +0.8 °C | 268 mm | +151 mm |
| Jun | 32.0 °C | -0.1 °C | 183 mm | +95 mm |
| Jul | 33.8 °C | 0.0 °C | 68 mm | +4 mm |
| Aug | 33.9 °C | -0.2 °C | 74 mm | +12 mm |
| Sep | 32.9 °C | +1.9 °C | 30 mm | -46 mm |
| Oct | 28.9 °C | +2.7 °C | 60 mm | -28 mm |
| Nov | 23.9 °C | +4.0 °C | 67 mm | -26 mm |
| Dec | 18.2 °C | +2.5 °C | 36 mm | -65 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 Nacogdoches?
Nacogdoches has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.1 °C and it receives 1,109 mm of precipitation per year.
What is the hottest day ever recorded in Nacogdoches?
The hottest day measured in Nacogdoches between 1940 and 2025 was 27 August 2023, reaching 43.1 °C.
What is the coldest day in Nacogdoches?
The coldest day measured in Nacogdoches between 1940 and 2025 was 16 February 2021, at -15.9 °C.
Does it snow in Nacogdoches?
Yes. Nacogdoches gets on average 2.0 cm of snow per year and has around 19 frost days.
Has the climate of Nacogdoches warmed?
Yes: Nacogdoches warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nacogdoches?
The wettest day measured in Nacogdoches between 1940 and 2025 was 12 September 2003, with 149 mm of rain in 24 hours.
What was the windiest day in Nacogdoches?
The windiest day measured in Nacogdoches between 1940 and 2025 was 13 September 2008, with winds reaching 50.4 km/h.
What is the warmest month in Nacogdoches?
The warmest month in Nacogdoches is July (28.1 °C on average); the coldest is January (8.8 °C).
How much does it rain in Nacogdoches?
Nacogdoches receives on average 1,109 mm of precipitation per year, spread over about 113 rainy days.
Is it sunny in Nacogdoches?
Nacogdoches gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Nacogdoches?
The heaviest 24-hour snowfall measured in Nacogdoches between 1940 and 2025 was 16 January 1964, with 20.2 cm.
Are there tropical nights in Nacogdoches?
Yes: Nacogdoches has on average 124 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nacogdoches?
In Nacogdoches, between 1940 and 2025, the highest apparent temperature reached 45.8 °C on 10 August 2015, and the lowest was -21.2 °C on 23 December 1989.
Compare Nacogdoches with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nacogdoches