Few U.S. towns have warmer summer afternoons than Cowlic
On a normal January night the air cools to about 37°. Expect the heaviest rain or snow in August and the lightest in May. By precipitation alone, it ranks drier than 97% of U.S. towns. Picnics, hikes and garden evenings suit March and November, with highs of 78°.
A year in Cowlic at a glance
Each month’s typical high and low, and what it brings.
What stands out about Cowlic’s climate
Compared with towns across the U.S., with Cowlic’s place in Arizona beside it.
What a year in Cowlic feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 11 inches of rain a year
August is the wettest month and May the driest.
Rain + melted snow by month
Inches of water
Living with Cowlic’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 9a.
Months with highs of 62–84° and lows of 40° or more: March and November.
Parks & trails →Of the yearly building losses FEMA expects in Cowlic from natural hazards, river flooding is the largest share (67%); heat waves, cold waves, winter storms and ice storms together are 20%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Cowlic and similar climates
TownRatings has no climate map of the towns around Cowlic yet.
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Cowlic averaged 1.6° warmer than the 1900s. The biggest change is in March (+2.5°).
A bigger shift than in 68% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Cowlic compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Cowlic’s place among Arizona’s.
Cowlic weather by month
Highs, lows and precipitation from NOAA’s grid at Cowlic’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 70° | 37° | 0.9" | 48° – 58° |
| February | 72° | 39° | 0.8" | 50° – 61° |
| March | 78° | 44° | 0.6" | 54° – 67° |
| April | 85° | 49° | 0.3" | 61° – 72° |
| May | 93° | 56° | 0.1" | 68° – 79° |
| June | 103° | 66° | 0.2" | 79° – 88° |
| July | 103° | 72° | 1.9" | 85° – 91° |
| August | 102° | 71° | 2.7" | 84° – 91° |
| September | 98° | 65° | 1.2" | 77° – 85° |
| October | 89° | 54° | 0.5" | 68° – 76° |
| November | 78° | 43° | 0.7" | 53° – 68° |
| December | 68° | 36° | 1.1" | 47° – 56° |
| Year | 87° | 53° | 10.8" |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 53° to 68°. July is the most reliable, staying within 6°.
Where Cowlic’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Cowlic’s center.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Cowlic’s climate
What is the weather like in Cowlic?
A typical July afternoon reaches 103°, a January night drops to 37°. Milder January nights than 84% of U.S. towns; hotter July afternoons than all but 90 U.S. towns.
How cold does it get in Cowlic in winter?
December nights average 36°. In the coldest December of the last 30 years the month averaged 47°.
How hot does it get in Cowlic?
July, with a typical high of 103°. 90° days are rare.
What growing zone is Cowlic in?
Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 24°.
What is the best time of year to visit Cowlic?
By one simple rule (highs of 62–84° and lows of 40° or more), March and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Cowlic getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 68% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Cowlic.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.