Climate Comfort Score
54/100
Moderate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Whitman Mission
Whitman Mission, Washington averages 52°F a year and scores 54/100 on the comfort index - moderate, milder than 27% of U.S. cities.
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
52°F (11°C)
Avg High
65°F
Avg Low
38°F
Annual Precip
15.4"
Comfort Score
54/100
Moderate
Climate Comfort Score
54/100
Moderate
Avg Annual Temperature
52°F
30-year mean (NOAA NCEI)
Annual Precipitation
15.4"
Liquid-equivalent total
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Whitman Mission area.
Whitman Mission's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
54 Top 73% higher than 27% 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
The chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Whitman Mission, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 42°F (6°C) | 27°F (-3°C) | 35°F (2°C) | 1.7" | 23.3 | 0.0 |
| February | 48°F (9°C) | 28°F (-2°C) | 38°F (3°C) | 1.4" | 20.0 | 0.0 |
| March | 57°F (14°C) | 32°F (0°C) | 45°F (7°C) | 1.7" | 16.4 | 0.0 |
| April | 65°F (18°C) | 37°F (3°C) | 51°F (10°C) | 1.5" | 8.3 | 0.0 |
| May | 73°F (23°C) | 44°F (7°C) | 58°F (15°C) | 1.8" | 1.8 | 1.3 |
| June | 80°F (27°C) | 49°F (10°C) | 65°F (18°C) | 1.1" | 0.0 | 4.2 |
| July | 90°F (32°C) | 54°F (12°C) | 72°F (22°C) | 0.4" | 0.0 | 17.2 |
| August | 90°F (32°C) | 52°F (11°C) | 71°F (22°C) | 0.4" | 0.0 | 16.9 |
| September | 80°F (27°C) | 44°F (7°C) | 62°F (17°C) | 0.7" | 1.4 | 4.1 |
| October | 66°F (19°C) | 36°F (2°C) | 51°F (10°C) | 1.3" | 12.6 | 0.0 |
| November | 50°F (10°C) | 31°F (-1°C) | 41°F (5°C) | 1.7" | 17.5 | 0.0 |
| December | 41°F (5°C) | 27°F (-3°C) | 34°F (1°C) | 1.7" | 23.8 | 0.0 |
Average monthly rainfall
First Fall Freeze
October 1
50% probability date
Last Spring Freeze
May 2
50% probability date
Growing Season
152 days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
5,357
Higher = more heating needed
Cooling Degree Days
554
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Whitman Mission's climate means for you
Whitman Mission runs 52°F a year - peaking in July, coldest in December.
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Whitman Mission, Washington runs an annual average of 52°F, ranging from a mean daily high of 65°F to a mean daily low of 38°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 USC00459200, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Beyond temperature, Whitman Mission averages 15.4 inches of precipitation annually, predominantly as rainfall - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 152 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 2 and the first fall freeze near October 1. Turning to energy use, 5,357 heating degree days and 554 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Whitman Mission scores 54/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, July-driven heat peaks in summer, and December-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00459200. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
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.