Adelphi Weather in June
Average highs run from 79°F on June 1 to 87°F on June 30, and lows from 59°F to 67°F. Normal precipitation for the month is 4.23 in over about 10 wet days.
June day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
June at a glance
- Average high
- 83°F
- Average low
- 63°F
- Precipitation
- 4.23 in
- Record high
- 100°FJun 30, 2012
- Record low
- 37°FJun 8, 1977
- Chance of a freeze
- 0%
- Days of 90°F or more
- 6.0
- Daylight
- 14 h 44 min to 14 h 52 min
- Cloud cover
- 59%
- Humidity
- 74%
- Dew point
- 63°F
- Wind
- 7.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jun 1 | 79°F | 59°F | 96°F 1991 | 39°F 1967 | 35% | 0% |
| Jun 2 | 79°F | 59°F | 96°F 2011 | 43°F 1966 | 35% | 0% |
| Jun 3 | 79°F | 59°F | 95°F 1951 | 42°F 1949 | 35% | 0% |
| Jun 4 | 80°F | 60°F | 93°F 1943 | 39°F 1964 | 35% | 0% |
| Jun 5 | 80°F | 60°F | 92°F 1973 | 40°F 1947 | 35% | 0% |
| Jun 6 | 80°F | 60°F | 92°F 2021 | 38°F 1945 | 35% | 0% |
| Jun 7 | 81°F | 61°F | 94°F 2005 | 42°F 1945 | 35% | 0% |
| Jun 8 | 81°F | 61°F | 97°F 1999 | 37°F 1977 | 35% | 0% |
| Jun 9 | 81°F | 61°F | 97°F 1999 | 40°F 1949 | 35% | 0% |
| Jun 10 | 82°F | 62°F | 98°F 2011 | 39°F 1949 | 35% | 0% |
| Jun 11 | 82°F | 62°F | 97°F 2008 | 37°F 1972 | 35% | 0% |
| Jun 12 | 82°F | 62°F | 95°F 2026 | 41°F 1972 | 35% | 0% |
| Jun 13 | 83°F | 63°F | 95°F 1986 | 45°F 1980 | 35% | 0% |
| Jun 14 | 83°F | 63°F | 96°F 1956 | 44°F 1979 | 35% | 0% |
| Jun 15 | 83°F | 63°F | 96°F 1956 | 45°F 1978 | 35% | 0% |
| Jun 16 | 83°F | 63°F | 98°F 1991 | 45°F 1959 | 34% | 0% |
| Jun 17 | 84°F | 64°F | 98°F 1991 | 43°F 1964 | 34% | 0% |
| Jun 18 | 84°F | 64°F | 98°F 1944 | 45°F 1950 | 34% | 0% |
| Jun 19 | 84°F | 64°F | 97°F 1957 | 45°F 1954 | 34% | 0% |
| Jun 20 | 85°F | 65°F | 95°F 1952 | 45°F 1954 | 34% | 0% |
| Jun 21 | 85°F | 65°F | 96°F 2012 | 45°F 1968 | 34% | 0% |
| Jun 22 | 85°F | 65°F | 97°F 1988 | 44°F 1947 | 34% | 0% |
| Jun 23 | 85°F | 65°F | 99°F 1988 | 44°F 1992 | 34% | 0% |
| Jun 24 | 86°F | 65°F | 97°F 2024 | 43°F 1963 | 34% | 0% |
| Jun 25 | 86°F | 66°F | 99°F 2025 | 47°F 1979 | 33% | 0% |
| Jun 26 | 86°F | 66°F | 97°F 2025 | 45°F 1979 | 33% | 0% |
| Jun 27 | 86°F | 66°F | 98°F 1952 | 47°F 1979 | 33% | 0% |
| Jun 28 | 86°F | 66°F | 98°F 2010 | 47°F 1970 | 33% | 0% |
| Jun 29 | 87°F | 66°F | 98°F 1959 | 48°F 1970 | 33% | 0% |
| Jun 30 | 87°F | 67°F | 100°F 2012 | 50°F 1967 | 33% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- June 1
- sunrise 5:44 AM, sunset 8:28 PM
- June 30
- sunrise 5:46 AM, sunset 8:38 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00180700 (Beltsville), public domain. Records: NOAA GHCN-Daily, station USC00180700, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.