Updated October 2026
Chamizal National Memorial Weather by Month
Chamizal National Memorial is warmest in June, when the nearest NOAA climate station averages a high of 97°F and a low of 71°F, and coldest in December, with an average high of 58°F and an average low of 34°F. August is the wettest month, with about 1.7 inches of precipitation. Snowfall is heaviest in December, at about 1.3 inches.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 5.5 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Chamizal National Memorial can differ from these, particularly with elevation.
Warmest month
Jun
97°F avg high
Coldest month
Dec
34°F avg low
Wettest month
Aug
1.7 in avg
Snowiest month
Dec
1.3 in avg
Longest days
Jun
14.1 h of daylight
Average weather at Chamizal by month
| Month | Avg high | Avg low | Precipitation | Snowfall | Daylight |
|---|---|---|---|---|---|
| January | 59°F | 35°F | 0.4 in | 0.8 in | 10.1 h |
| February | 64°F | 39°F | 0.4 in | 0.2 in | 10.9 h |
| March | 72°F | 46°F | 0.2 in | 0.0 in | 11.8 h |
| April | 80°F | 53°F | 0.2 in | 0.0 in | 12.8 h |
| May | 89°F | 62°F | 0.4 in | 0.0 in | 13.6 h |
| June | 97°F | 71°F | 0.7 in | 0.0 in | 14.1 h |
| July | 96°F | 73°F | 1.6 in | 0.0 in | 13.9 h |
| August | 94°F | 72°F | 1.7 in | 0.0 in | 13.2 h |
| September | 88°F | 65°F | 1.5 in | 0.0 in | 12.2 h |
| October | 79°F | 54°F | 0.6 in | 0.0 in | 11.2 h |
| November | 67°F | 42°F | 0.4 in | 0.5 in | 10.3 h |
| December | 58°F | 34°F | 0.6 in | 1.3 in | 9.9 h |
| Year total | 8.7 in | 2.8 in |
NOAA 1991–2020 climate normals from station USW00023044, 5.5 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Chamizal is at that time of year.
Chamizal weather by season
Winter: December to February
Average highs climb from 58°F in December to 64°F in February, with average lows between 34°F and 39°F. Together the three months average 1.4 inches of precipitation, about 16% of the yearly total. Snowfall averages about 2.3 inches for the season. Daylight is at its shortest, about 9.9 hours in December.
Spring: March to May
Average highs climb from 72°F in March to 89°F in May, with average lows between 46°F and 62°F. Together the three months average 0.8 inches of precipitation, about 9% of the yearly total and less than in any other season. Daylight lengthens from about 11.8 hours in March to 13.6 in May.
Summer: June to August
Average highs fall from 97°F in June to 94°F in August, with average lows near 72°F. The average high is 90°F or hotter in all three months. Together the three months average 4 inches of precipitation, about 46% of the yearly total and more than in any other season. Daylight is at its longest, about 14.1 hours in June.
Fall: September to November
Average highs fall from 88°F in September to 67°F in November, with average lows between 42°F and 65°F. Together the three months average 2.5 inches of precipitation, about 29% of the yearly total. Snowfall averages about 0.5 inches for the season. Daylight shortens from about 12.2 hours in September to 10.3 in November.
What the National Park Service says about the weather
Chamizal National Memorial is open year-round, but periodic winter weather conditions may cause closure. Please check for alerts on the park website: www.nps.gov/cham. Thunderstorms typically occur during summer and early fall. There may be no shelter to avoid lightning, so please prepare by looking at weather forecasts and paying attention to developing weather conditions.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Chamizal
Averages describe a typical month, not this week. For current conditions and the seven-day outlook, the National Weather Service issues a forecast for the park's reference point at 31.77°N, 106.45°W. It covers that one spot, so other elevations in the park can differ from it, as they do from the averages above.
National Weather Service forecast for Chamizal National Memorial →
Weather and crowds together
June, the warmest month, sees about 1.2× the visitors of the park's average month. July is the busiest month of the year and January the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Chamizal National Memorial. For hotels, cabins and rentals close to the park, see where to stay near Chamizal.
Where to stay near Chamizal
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Top-rated places to stay near Chamizal
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Frequently Asked Questions
June is the warmest month at Chamizal National Memorial, with an average high of 97°F and an average low of 71°F. That is the 1991–2020 average at the nearest long-record NOAA station, 5.5 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
December is the coldest month at Chamizal National Memorial, with an average low of 34°F and an average high of 58°F, based on NOAA 1991–2020 climate normals.
August is the wettest month, with about 1.7 inches of precipitation. March and April are the driest, at about 0.2 inches each. The station records about 8.7 inches of precipitation in an average year.
Yes. The nearest long-record NOAA station, 5.5 miles from the park's reference point, averages about 2.8 inches of snow a year. December is the snowiest month, at about 1.3 inches. The station averages at least a tenth of an inch of snow in 4 of the 12 months.
Weather at nearby parks
70 mi away · warmest in June (97°F)
93 mi away · warmest in June (88°F)
114 mi away · warmest in June (92°F)
146 mi away · warmest in June (90°F)
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USW00023044), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (1979–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.