Photo: Jeffrey.b.stark · CC BY-SA 4.0Precipitation in Lamy trails that of 95% of U.S. towns: 13 inches a year
The coldest hours of a January night bottom out at 18° on average. Winter nights are cold: in January they are colder than in 68% of U.S. towns. The latest 30-year average runs 1.3° warmer than 1901–2000’s, with March up the most. For walks and days out, May and September bring highs of 75–79°.
A year in Lamy at a glance
Each month’s typical high and low, and what it brings.
What stands out about Lamy’s climate
Compared with towns across the U.S., with Lamy’s place in New Mexico beside it.
What a year in Lamy feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 144 frost-free days a year
In half of years the last 32° night comes by May 14 and the first by October 6. Frost and day counts come from NOAA’s station at Santa Fe 2, NM, 11 miles from the town’s center, 170 ft higher.
The 2023 USDA map puts Lamy’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 0°. 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 20 inches of snow a winter
Snow, measured at Santa Fe 2, NM, falls mostly in December. Precipitation (rain plus melted snow) adds up to 13 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 64 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Lamy
93% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Santa Fe 2, NM.
Living with Lamy’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
144 frost-free days in zone 7a. The last frost comes by May 14 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 6.
Months with highs of 62–84° and lows of 40° or more: May and September. 2.9 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Lamy from natural hazards, river flooding is the largest share (53%); heat waves, cold waves, winter storms and ice storms together are 3%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Lamy and similar climates
TownRatings has no climate map of the towns around Lamy yet.
Climates most like Lamy’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 |
|---|---|---|---|---|
| Lamy, NM | 18° | 87° | 13" | 20" |
| Show Low, AZ | 19° | 86° | 15" | 19" |
| Hamilton, MT | 20° | 86° | 13" | 17" |
| Blackfoot, ID | 16° | 88° | 11" | 15" |
| Cold Springs, NV | 23° | 88° | 13" | 17" |
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 Lamy averaged 1.3° warmer than the 1900s. The biggest change is in March (+2.6°).
A smaller shift than in 52% 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 Lamy compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Lamy’s place among New Mexico’s.
Lamy weather by month
Highs, lows and precipitation from NOAA’s grid at Lamy’s center; snow, wet days and snow on the ground from Santa Fe 2, NM. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 45° | 18° | 0.6" | 3.7" | 3 | 3 | 26° – 38° |
| February | 50° | 22° | 0.4" | 2.4" | 4 | 2 | 30° – 41° |
| March | 58° | 27° | 0.7" | 3.9" | 4 | 1 | 38° – 47° |
| April | 65° | 33° | 0.6" | 0.4" | 4 | 0 | 44° – 54° |
| May | 75° | 41° | 0.9" | 0.0" | 5 | 0 | 53° – 64° |
| June | 85° | 50° | 0.9" | 0.0" | 5 | 0 | 64° – 72° |
| July | 87° | 56° | 2.4" | 0.0" | 10 | 0 | 68° – 75° |
| August | 84° | 54° | 2.3" | 0.0" | 10 | 0 | 67° – 73° |
| September | 79° | 47° | 1.5" | 0.0" | 6 | 0 | 57° – 66° |
| October | 67° | 35° | 1.3" | 1.3" | 5 | 0 | 48° – 56° |
| November | 54° | 25° | 0.8" | 1.7" | 4 | 1 | 33° – 46° |
| December | 44° | 18° | 0.8" | 6.8" | 4 | 3 | 26° – 36° |
| Year | 66° | 35° | 13.1" | 20.2" | 64 | 9 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 33° to 46°. August is the most reliable, staying within 7°.
Where Lamy’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 Lamy’s center.
- Snow: Santa Fe 2, NM.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Santa Fe 2, NM, 11 miles from the town’s center, 170 ft higher; 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 Lamy’s climate
What is the weather like in Lamy?
A typical July afternoon reaches 87°, a January night drops to 18°, and about 20 inches of snow falls in a normal winter. Colder January nights than 68% of U.S. towns; hotter July afternoons than 62% of U.S. towns.
How cold does it get in Lamy in winter?
December nights average 18°. About 168 nights a year reach 32° or below and 2 reach 0° or below. In the coldest December of the last 30 years the month averaged 26°.
How much snow does Lamy get?
About 20 inches in a normal winter at Santa Fe 2, NM, most of it in December, with snow on the ground about 9 days a year.
How hot does it get in Lamy?
July, with a typical high of 87° and a low of 56°. About 24 days a year reach 90° (Santa Fe 2, NM).
When is the first and last frost in Lamy?
In half of years the last spring frost (32°) comes by May 14 and the first fall frost by October 6, about 144 frost-free days, at Santa Fe 2, NM.
What growing zone is Lamy in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 0°.
What is the best time of year to visit Lamy?
By one simple rule (highs of 62–84° and lows of 40° or more), May and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Lamy getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 52% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Lamy.
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.