Photo: Truebluenyc · CC BY-SA 4.0Hopland reaches 100° on about 20 days a year, more than 95% of U.S. towns
January nights here settle around 37°. Winter and summer sit 55° apart. Winters are mild: January nights here are milder than in 84% of U.S. towns. Warm coats and heating bills mark the months from December to February, when means dip under 50°.
A year in Hopland at a glance
Each month’s typical high and low, and what it brings.
What stands out about Hopland’s climate
Compared with towns across the U.S., with Hopland’s place in California beside it.
What a year in Hopland feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 259 frost-free days a year
In half of years the last 32° night comes by March 5 and the first by November 21. Frost and day counts come from NOAA’s station at Ukiah Muni Airport, 12 miles from the town’s center, at about the same height.
The 2023 USDA map puts Hopland’s center in zone 9a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 22°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 39 inches of rain a year
December is the wettest month and July the driest. Rain falls on about 77 days a year. Snow is rare: about 0.0" in a normal year at Ukiah, CA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Hopland
74% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Ukiah Muni Airport.
Living with Hopland’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
259 frost-free days in zone 9a. The last frost comes by Mar 5 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 21.
Months with highs of 62–84° and lows of 40° or more: April, May and October.
Parks & trails →Of the yearly building losses FEMA expects in Hopland from natural hazards, river flooding is the largest share (42%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Hopland and similar climates
TownRatings has no climate map of the towns around Hopland yet.
Climates most like Hopland’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Hopland, CA | 37° | 91° | 39" | 0.0" |
| Camden, SC | 33° | 92° | 43" | 0.0" |
| Grants Pass, OR | 34° | 90° | 33" | 0.9" |
| Waynesboro, GA | 35° | 92° | 46" | 0.0" |
| Terrell, TX | 36° | 94° | 41" | 0.1" |
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 Hopland averaged 1.0° warmer than the 1900s. The biggest change is in January (+1.7°).
A smaller shift than in 78% 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 Hopland compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Hopland’s place among California’s.
Hopland weather by month
Highs, lows and precipitation from NOAA’s grid at Hopland’s center; snow, wet days and snow on the ground from Ukiah, CA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 58° | 37° | 7.7" | 0.0" | 13 | 0 | 44° – 55° |
| February | 61° | 38° | 7.2" | 0.0" | 12 | 0 | 43° – 56° |
| March | 65° | 40° | 5.4" | 0.0" | 10 | 0 | 45° – 59° |
| April | 69° | 41° | 2.4" | 0.0" | 8 | 0 | 50° – 60° |
| May | 77° | 46° | 1.4" | 0.0" | 5 | 0 | 55° – 68° |
| June | 85° | 51° | 0.3" | 0.0" | 2 | 0 | 63° – 73° |
| July | 91° | 54° | 0.0" | 0.0" | 0 | 0 | 69° – 76° |
| August | 90° | 53° | 0.1" | 0.0" | 0 | 0 | 69° – 76° |
| September | 87° | 49° | 0.2" | 0.0" | 1 | 0 | 65° – 72° |
| October | 78° | 45° | 1.6" | 0.0" | 4 | 0 | 57° – 69° |
| November | 64° | 39° | 4.0" | 0.0" | 10 | 0 | 45° – 56° |
| December | 57° | 36° | 8.4" | 0.0" | 14 | 0 | 43° – 50° |
| Year | 73° | 44° | 38.7" | 0.0" | 77 | 0 |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 45° to 59°. August is the most reliable, staying within 7°.
Where Hopland’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 Hopland’s center.
- Snow: Ukiah, CA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Ukiah Muni Airport, 12 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- 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 Hopland’s climate
What is the weather like in Hopland?
A typical July afternoon reaches 91°, a January night drops to 37°, and snow is almost unheard of. Milder January nights than 84% of U.S. towns; hotter July afternoons than 82% of U.S. towns.
How cold does it get in Hopland in winter?
December nights average 36°. About 36 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 43°.
How much snow does Hopland get?
About 0.0 inches in a normal winter at Ukiah, CA, so most winters see none.
How hot does it get in Hopland?
July, with a typical high of 91° and a low of 54°. About 83 days a year reach 90° and 20 reach 100° (Ukiah Muni Airport).
When is the first and last frost in Hopland?
In half of years the last spring frost (32°) comes by March 5 and the first fall frost by November 21, about 259 frost-free days, at Ukiah Muni Airport.
What growing zone is Hopland in?
Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 22°.
What is the best time of year to visit Hopland?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Hopland getting warmer?
Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 78% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Hopland.
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.