Oljato-Monument Valley, UT climate
Oljato-Monument Valley has chilly winters and hot summers, with very little rain. A typical July afternoon reaches 95°, a January night drops to 24°, and about 2 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Oljato-Monument Valley feels like
Winter
Spring
Summer
Fall
Oljato-Monument Valley weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 43° | 24° | 0.5" | 0.4" | 4 | 0 | 26° – 40° |
| February | 50° | 28° | 0.5" | 0.5" | 4 | 0 | 33° – 46° |
| March | 60° | 35° | 0.5" | 0.1" | 4 | 0 | 43° – 53° |
| April | 68° | 40° | 0.2" | 0 | 3 | 0 | 49° – 60° |
| May | 78° | 50° | 0.4" | 0 | 4 | 0 | 58° – 70° |
| June | 90° | 60° | 0.1" | 0 | 1 | 0 | 69° – 80° |
| July | 95° | 67° | 0.5" | 0 | 4 | 0 | 77° – 84° |
| August | 91° | 65° | 0.9" | 0 | 6 | 0 | 75° – 82° |
| September | 84° | 56° | 0.7" | 0 | 5 | 0 | 65° – 72° |
| October | 70° | 44° | 0.7" | 0 | 4 | 0 | 52° – 61° |
| November | 55° | 32° | 0.3" | 0.1" | 3 | 0 | 36° – 49° |
| December | 43° | 23° | 0.5" | 1.2" | 4 | 0 | 28° – 38° |
| Year | 69° | 44° | 5.8" | 2.3" | 46 | 1 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Oljato-Monument Valley
Oljato-Monument Valley gets 6 inches of rain and melted snow a year. August is the wettest month and June the driest. Rain or snow falls on about 46 days a year.
About 205 frost-free days a year
In half of years the last 32° night comes by April 10 and the first one by November 1. That leaves about 205 frost-free days for gardens, longer than 75% of U.S. towns.
Heating and cooling a home in Oljato-Monument Valley
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Oljato-Monument Valley, 75% of that work is heating and 25% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Oljato-Monument Valley compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Oljato-Monument Valley averaged 1.5° warmer than the 1900s. The biggest change is in March (+2.8°). The shift is larger than in 68% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Oljato-Monument Valley’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. January swings the most: between 1991 and 2020 its average temperature ranged from 26° to 40°. July is the most reliable, staying within 6°.
Common questions about Oljato-Monument Valley’s climate
What is the coldest month in Oljato-Monument Valley?
December, with a typical high of 43° and a low of 23°.
What is the hottest month in Oljato-Monument Valley?
July, with a typical high of 95° and a low of 67°. About 59 days a year reach 90°.
How much snow does Oljato-Monument Valley get?
About 2 inches in a normal winter, most of it in December.
When is the first frost in Oljato-Monument Valley?
In half of years the first 32° night comes by November 1, and the last spring frost by April 10.
What is the rainiest month in Oljato-Monument Valley?
August, with 0.9 inches of rain and melted snow. The year totals 6 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Oljato-Monument Valley itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Mexican Hat, UT (23 mi, snow) and Monument Valley, AZ (8 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.