Climate Comfort Score
92/100
Excellent
NOAA 1991–2020 normals 64°F annual avg Public-domain federal data
Willows, CA Climate
Annual temperature, rainfall, and a comfort score, sourced from NOAA NCEI's 1991–2020 normals →
- 64°F
- Avg annual temp
- 92/100
- Comfort score
- 21.9"
- Annual precip
- 288d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Willows
Willows, California averages 64°F a year and scores 92/100 on the comfort index - excellent, milder than 94% of U.S. cities.
- 64°F
- average temperature, NOAA 1991-2020 normal
- 92/100
- comfort score, milder than 94% of U.S. cities
- 21.9"
- annual precipitation
- 288 days
- growing season, frost-free days
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
64°F (18°C)
Avg High
77°F
Avg Low
50°F
Annual Precip
21.9"
Comfort Score
92/100
Excellent
Avg Annual Temperature
64°F
30-year mean (NOAA NCEI)
Annual Precipitation
21.9"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Willows) 92.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Willows area.
How Willows compares to every U.S. city
Willows's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
92 Top 6% higher than 94% of 6,915 US cities
Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Warming context for Willows
MethodologyThe chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Willows, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.
- United States land mean (NOAA NCEI) +0.11 °C/decade
- Global anomaly (NASA GISTEMP) +0.11 °C/decade
- Paris Agreement thresholds 1.5°C / 2.0°C
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 58°F (15°C) | 40°F (4°C) | 49°F (10°C) | 4.4" | 6.2 | 0.0 |
| February | 63°F (17°C) | 42°F (5°C) | 52°F (11°C) | 4.2" | 3.6 | 0.0 |
| March | 68°F (20°C) | 44°F (7°C) | 56°F (13°C) | 2.8" | 1.6 | 0.0 |
| April | 75°F (24°C) | 47°F (8°C) | 61°F (16°C) | 1.5" | 0.9 | 1.3 |
| May | 83°F (28°C) | 54°F (12°C) | 68°F (20°C) | 1.2" | 0.1 | 7.4 |
| June | 90°F (32°C) | 60°F (16°C) | 75°F (24°C) | 0.5" | 0.0 | 16.3 |
| July | 95°F (35°C) | 63°F (17°C) | 79°F (26°C) | 0.0" | 0.0 | 25.4 |
| August | 94°F (34°C) | 61°F (16°C) | 78°F (25°C) | 0.1" | 0.0 | 24.6 |
| September | 91°F (33°C) | 58°F (15°C) | 75°F (24°C) | 0.2" | 0.0 | 18.3 |
| October | 82°F (28°C) | 53°F (11°C) | 67°F (19°C) | 1.1" | 0.0 | 5.2 |
| November | 67°F (20°C) | 44°F (7°C) | 56°F (13°C) | 2.4" | 2.0 | 0.0 |
| December | 58°F (15°C) | 39°F (4°C) | 49°F (9°C) | 3.6" | 8.3 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 4.4"
February 4.2"
March 2.8"
April 1.5"
May 1.2"
June 0.5"
July 0.0"
August 0.1"
September 0.2"
October 1.1"
November 2.4"
December 3.6"
Frost Dates & Growing Season
First Fall Freeze
December 6
50% probability date
Last Spring Freeze
February 21
50% probability date
Growing Season
288 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,185
Higher = more heating needed
Cooling Degree Days
1,732
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Willows's climate means for you
Willows runs 64°F a year - peaking in July, coldest in December.
- Gardeners get about 288 frost-free days, with the last spring freeze near February 21 - plan the planting calendar around it, not the regional average.
- Energy bills track 2,185 heating and 1,732 cooling degree days a year, higher means the furnace or AC runs more.
- Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Climate Guides
Climate Insight: Willows, CA
Willows, California runs an annual average of 64°F, ranging from a mean daily high of 77°F to a mean daily low of 50°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while December is the coldest. Drawn from station USC00049699, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Willows sees about 21.9 inches of precipitation a year, predominantly as rainfall. The frost-free season averages 288 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near February 21 and the first fall freeze near December 6. On the energy side, 2,185 heating degree days and 1,732 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Willows scores 92/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows, shoulder seasons for mild highs and lows, peak summer for July-driven heat, or deep winter for December-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.
Frequently Asked Questions
What is the average temperature in Willows, CA? ▼
The average annual temperature in Willows, California is 64°F. The warmest month averages 95°F (35°C) and the coldest averages 39°F (4°C).
How much rain does Willows get? ▼
Willows receives 21.9 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Willows? ▼
Willows has a climate comfort score of 92/100 (Excellent), milder than 94% of U.S. cities in the PlainClimate database.
When is the growing season in Willows? ▼
Willows has approximately 288 frost-free days per year, with the last spring freeze around February 21 and the first fall freeze around December 6.
How much energy does heating and cooling require in Willows? ▼
Willows has 2,185 heating degree days and 1,732 cooling degree days annually, a fairly balanced heating/cooling split. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Willows climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00049699 near Willows.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00049699. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.