Updated October 2026
Palo Alto Battlefield National Historical Park Weather by Month
Palo Alto Battlefield National Historical Park is warmest in August, when the nearest NOAA climate station averages a high of 94°F and a low of 77°F, and coldest in January, with an average high of 70°F and an average low of 51°F.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 7.9 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Palo Alto Battlefield National Historical Park can differ from these, particularly with elevation.
Warmest month
Aug
94°F avg high
Coldest month
Jan
51°F avg low
Longest days
Jun
13.6 h of daylight
Average weather at Palo Alto Battlefield by month
| Month | Avg high | Avg low | Daylight |
|---|---|---|---|
| January | 70°F | 51°F | 10.5 h |
| February | 75°F | 55°F | 11.1 h |
| March | 78°F | 61°F | 11.8 h |
| April | 85°F | 67°F | 12.6 h |
| May | 87°F | 73°F | 13.3 h |
| June | 92°F | 76°F | 13.6 h |
| July | 92°F | 76°F | 13.5 h |
| August | 94°F | 77°F | 12.9 h |
| September | 90°F | 73°F | 12.1 h |
| October | 85°F | 67°F | 11.4 h |
| November | 78°F | 59°F | 10.7 h |
| December | 72°F | 53°F | 10.4 h |
NOAA 1991–2020 climate normals from station USC00419649, 7.9 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Palo Alto Battlefield is at that time of year.
Palo Alto Battlefield weather by season
Winter: December to February
Average highs bottom out at 70°F in January, between 72°F in December and 75°F in February, with average lows between 51°F and 55°F. Daylight is at its shortest, about 10.4 hours in December.
Spring: March to May
Average highs climb from 78°F in March to 87°F in May, with average lows between 61°F and 73°F. Daylight lengthens from about 11.8 hours in March to 13.3 in May.
Summer: June to August
Average highs hold near 93°F in all three months, with average lows near 76°F. The average high is 90°F or hotter in all three months. Daylight is at its longest, about 13.6 hours in June.
Fall: September to November
Average highs fall from 90°F in September to 78°F in November, with average lows between 59°F and 73°F. The average high is 90°F or hotter in September. Daylight shortens from about 12.1 hours in September to 10.7 in November.
What the National Park Service says about the weather
Summers are hot and humid. Tropical weather systems generally affect the area from August to October. Winters are usually mild but cold fronts can drop temperatures by up to 30 degrees in about an hour.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Palo Alto Battlefield
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 26.02°N, 97.46°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 Palo Alto Battlefield National Historical Park →
Weather and crowds together
August, the warmest month, is also the quietest, with about 0.7× the visitors of the park's average month. November is the busiest. To see those crowds set against the weather for all twelve months, read the best time to visit Palo Alto Battlefield National Historical Park. For hotels, cabins and rentals close to the park, see where to stay near Palo Alto Battlefield.
Where to stay near Palo Alto Battlefield
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Frequently Asked Questions
August is the warmest month at Palo Alto Battlefield National Historical Park, with an average high of 94°F and an average low of 77°F. That is the 1991–2020 average at the nearest long-record NOAA station, 7.9 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Palo Alto Battlefield National Historical Park, with an average low of 51°F and an average high of 70°F, based on NOAA 1991–2020 climate normals.
Daylight at Palo Alto Battlefield National Historical Park runs from about 10.4 hours a day in December to about 13.6 hours in June, computed from the park's latitude.
Weather at nearby parks
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00419649), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (2003–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.