Updated October 2026
Lincoln Boyhood National Memorial Weather by Month
Lincoln Boyhood National Memorial is warmest in July, when the nearest NOAA climate station averages a high of 87°F and a low of 67°F, and coldest in January, with an average high of 43°F and an average low of 26°F. May is the wettest month, with about 5.4 inches of precipitation. Snowfall is heaviest in January, at about 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, 10.7 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Lincoln Boyhood National Memorial can differ from these, particularly with elevation.
Warmest month
Jul
87°F avg high
Coldest month
Jan
26°F avg low
Wettest month
May
5.4 in avg
Snowiest month
Jan
3.0 in avg
Longest days
Jun
14.6 h of daylight
Average weather at Lincoln Boyhood by month
| Month | Avg high | Avg low | Precipitation | Snowfall | Daylight |
|---|---|---|---|---|---|
| January | 43°F | 26°F | 3.5 in | 3.0 in | 9.6 h |
| February | 48°F | 29°F | 3.5 in | 2.4 in | 10.6 h |
| March | 58°F | 37°F | 4.8 in | 1.3 in | 11.7 h |
| April | 69°F | 46°F | 4.8 in | 0.0 in | 13.0 h |
| May | 77°F | 55°F | 5.4 in | 0.0 in | 14.1 h |
| June | 84°F | 63°F | 4.8 in | 0.0 in | 14.6 h |
| July | 87°F | 67°F | 4.5 in | 0.0 in | 14.4 h |
| August | 87°F | 65°F | 2.9 in | 0.0 in | 13.5 h |
| September | 82°F | 58°F | 3.6 in | 0.0 in | 12.2 h |
| October | 71°F | 47°F | 3.6 in | 0.0 in | 11.0 h |
| November | 58°F | 37°F | 4.2 in | 0.0 in | 9.9 h |
| December | 47°F | 30°F | 4.0 in | 1.6 in | 9.4 h |
| Year total | 49.6 in | 8.3 in |
NOAA 1991–2020 climate normals from station USC00127724, 10.7 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Lincoln Boyhood is at that time of year.
Lincoln Boyhood weather by season
Winter: December to February
Average highs bottom out at 43°F in January, between 47°F in December and 48°F in February, with average lows between 26°F and 30°F. The average low is at or below freezing in all three months. Together the three months average 11 inches of precipitation, about 22% of the yearly total and less than in any other season. Snowfall averages about 7 inches for the season. Daylight is at its shortest, about 9.4 hours in December.
Spring: March to May
Average highs climb from 58°F in March to 77°F in May, with average lows between 37°F and 55°F. Together the three months average 15 inches of precipitation, about 30% of the yearly total and more than in any other season. Snowfall averages about 1.3 inches for the season, most of it in March. Daylight lengthens from about 11.7 hours in March to 14.1 in May.
Summer: June to August
Average highs climb from 84°F in June to 87°F in August, with average lows between 63°F and 67°F. Together the three months average 12.2 inches of precipitation, about 25% of the yearly total. Daylight is at its longest, about 14.6 hours in June.
Fall: September to November
Average highs fall from 82°F in September to 58°F in November, with average lows between 37°F and 58°F. Together the three months average 11.4 inches of precipitation, about 23% of the yearly total. Daylight shortens from about 12.2 hours in September to 9.9 in November.
What the National Park Service says about the weather
Southern Indiana has a moderate climate, characterized by warm, yet moist conditions. Summers are usually warm, and winters cool. Much of the area's average 46 inches of precipitation falls in spring, the rainiest season.
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Lincoln Boyhood
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 38.12°N, 87.00°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 Lincoln Boyhood National Memorial →
Weather and crowds together
July is both the warmest month and the busiest, with about 4.9× the visitors of the park's average month. January is the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Lincoln Boyhood National Memorial. For hotels, cabins and rentals close to the park, see where to stay near Lincoln Boyhood.
Where to stay near Lincoln Boyhood
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Top-rated places to stay near Lincoln Boyhood
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Frequently Asked Questions
July is the warmest month at Lincoln Boyhood National Memorial, with an average high of 87°F and an average low of 67°F. That is the 1991–2020 average at the nearest long-record NOAA station, 10.7 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Lincoln Boyhood National Memorial, with an average low of 26°F and an average high of 43°F, based on NOAA 1991–2020 climate normals.
May is the wettest month, with about 5.4 inches of precipitation. August is the driest, at about 2.9 inches. The station records about 49.6 inches of precipitation in an average year.
Yes. The nearest long-record NOAA station, 10.7 miles from the park's reference point, averages about 8.3 inches of snow a year. January is the snowiest month, at about 3 inches. The station averages at least a tenth of an inch of snow in 4 of the 12 months.
Weather at nearby parks
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Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00127724), 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.