San Marcos Weather in June
Average highs run from 79°F on June 1 to 85°F on June 30, and lows from 59°F to 62°F. Normal precipitation for the month is 0.09 in over about 1 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
- 82°F
- Average low
- 60°F
- Precipitation
- 0.09 in
- Record high
- 89°FJun 30, 2015
- Record low
- 50°FJun 5, 1999
- Chance of a freeze
- 0%
- Days of 90°F or more
- 4.0
- Daylight
- 14 h 12 min to 14 h 19 min
- Cloud cover
- 19%
- Humidity
- 55%
- Dew point
- 48°F
- Wind
- 7.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jun 1 | 79°F | 59°F | 81°F 2025 | 53°F 1999 | 6% |
| Jun 2 | 79°F | 59°F | 75°F 2006 | 54°F 1999 | 6% |
| Jun 3 | 79°F | 59°F | 82°F 2006 | 51°F 1999 | 6% |
| Jun 4 | 79°F | 59°F | 76°F 2006 | 51°F 1999 | 5% |
| Jun 5 | 79°F | 59°F | 72°F 2006 | 50°F 1999 | 5% |
| Jun 6 | 80°F | 59°F | 76°F 2008 | 54°F 2000 | 5% |
| Jun 7 | 80°F | 59°F | 71°F 2000 | 55°F 1998 | 5% |
| Jun 8 | 80°F | 59°F | 79°F 2020 | 56°F 2007 | 5% |
| Jun 9 | 80°F | 59°F | 77°F 2015 | 55°F 2010 | 4% |
| Jun 10 | 81°F | 59°F | 84°F 2019 | 54°F 2010 | 4% |
| Jun 11 | 81°F | 60°F | 78°F 2020 | 52°F 2010 | 4% |
| Jun 12 | 81°F | 60°F | 76°F 2026 | 53°F 2010 | 4% |
| Jun 13 | 81°F | 60°F | 74°F 2006 | 52°F 2010 | 4% |
| Jun 14 | 82°F | 60°F | 78°F 2006 | 56°F 1998 | 4% |
| Jun 15 | 82°F | 60°F | 84°F 2021 | 55°F 2002 | 3% |
| Jun 16 | 82°F | 60°F | 79°F 2006 | 57°F 2002 | 3% |
| Jun 17 | 82°F | 60°F | 77°F 2006 | 57°F 2010 | 3% |
| Jun 18 | 83°F | 60°F | 80°F 2008 | 58°F 2001 | 3% |
| Jun 19 | 83°F | 61°F | 83°F 2008 | 55°F 2005 | 3% |
| Jun 20 | 83°F | 61°F | 85°F 2016 | 57°F 1999 | 3% |
| Jun 21 | 83°F | 61°F | 75°F 2005 | 56°F 1999 | 3% |
| Jun 22 | 84°F | 61°F | 83°F 2008 | 57°F 1998 | 3% |
| Jun 23 | 84°F | 61°F | 81°F 2024 | 56°F 1999 | 2% |
| Jun 24 | 84°F | 61°F | 79°F 2024 | 57°F 2005 | 2% |
| Jun 25 | 84°F | 62°F | 85°F 2006 | 56°F 2003 | 2% |
| Jun 26 | 84°F | 62°F | 84°F 2006 | 56°F 2012 | 2% |
| Jun 27 | 85°F | 62°F | 88°F 2006 | 58°F 1999 | 2% |
| Jun 28 | 85°F | 62°F | 81°F 2006 | 57°F 1999 | 2% |
| Jun 29 | 85°F | 62°F | 79°F 2006 | 59°F 2005 | 2% |
| Jun 30 | 85°F | 62°F | 89°F 2015 | 59°F 2002 | 2% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- June 1
- sunrise 5:41 AM, sunset 7:53 PM
- June 30
- sunrise 5:43 AM, sunset 8:02 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00042863 (Escondido #2), public domain. Records: NOAA GHCN-Daily, station USW00003177, 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.