Eureka Weather in July
Average highs run from 83°F on July 1 to 87°F on July 31, and lows from 49°F to 55°F. Normal precipitation for the month is 0.46 in over about 3 wet days.
July day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
July at a glance
- Average high
- 86°F
- Average low
- 53°F
- Precipitation
- 0.46 in
- Record high
- 103°FJul 10, 2024
- Record low
- 33°FJul 11, 2016
- Chance of a freeze
- 1%
- Days of 90°F or more
- 7.5
- Daylight
- 14 h 55 min to 14 h 14 min
- Cloud cover
- 41%
- Humidity
- 28%
- Dew point
- 33°F
- Wind
- 7.4 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 |
|---|---|---|---|---|---|---|
| Jul 1 | 83°F | 49°F | 101°F 2013 | 40°F 1998 | 7% | 0% |
| Jul 2 | 83°F | 50°F | 102°F 2013 | 39°F 2003 | 7% | 0% |
| Jul 3 | 83°F | 50°F | 99°F 2011 | 37°F 2010 | 7% | 0% |
| Jul 4 | 84°F | 50°F | 99°F 2007 | 35°F 2000 | 7% | 0% |
| Jul 5 | 84°F | 51°F | 102°F 2007 | 36°F 1999 | 7% | 0% |
| Jul 6 | 84°F | 51°F | 100°F 2007 | 37°F 2000 | 7% | 0% |
| Jul 7 | 84°F | 51°F | 100°F 2021 | 41°F 2019 | 7% | 0% |
| Jul 8 | 85°F | 52°F | 100°F 2021 | 40°F 2009 | 7% | 0% |
| Jul 9 | 85°F | 52°F | 101°F 2024 | 37°F 2000 | 7% | 0% |
| Jul 10 | 85°F | 52°F | 103°F 2024 | 41°F 2009 | 8% | 0% |
| Jul 11 | 85°F | 53°F | 102°F 2012 | 33°F 2016 | 8% | 0% |
| Jul 12 | 86°F | 53°F | 103°F 2002 | 42°F 2016 | 8% | 0% |
| Jul 13 | 86°F | 53°F | 102°F 2002 | 44°F 2009 | 8% | 0% |
| Jul 14 | 86°F | 53°F | 99°F 2003 | 42°F 2009 | 8% | 0% |
| Jul 15 | 86°F | 54°F | 101°F 2005 | 43°F 1998 | 8% | 0% |
| Jul 16 | 86°F | 54°F | 102°F 2023 | 42°F 2011 | 8% | 0% |
| Jul 17 | 86°F | 54°F | 101°F 1998 | 44°F 2001 | 8% | 0% |
| Jul 18 | 86°F | 54°F | 101°F 1998 | 41°F 2001 | 9% | 0% |
| Jul 19 | 87°F | 54°F | 99°F 2005 | 43°F 1999 | 9% | 0% |
| Jul 20 | 87°F | 55°F | 100°F 2005 | 38°F 1999 | 9% | 0% |
| Jul 21 | 87°F | 55°F | 99°F 2003 | 45°F 2001 | 9% | 0% |
| Jul 22 | 87°F | 55°F | 101°F 2003 | 38°F 2001 | 9% | 0% |
| Jul 23 | 87°F | 55°F | 99°F 2003 | 43°F 2020 | 9% | 0% |
| Jul 24 | 87°F | 55°F | 97°F 2010 | 43°F 2016 | 9% | 0% |
| Jul 25 | 87°F | 55°F | 99°F 2016 | 34°F 1999 | 9% | 0% |
| Jul 26 | 87°F | 55°F | 99°F 2016 | 39°F 2005 | 10% | 0% |
| Jul 27 | 87°F | 55°F | 100°F 2006 | 44°F 2015 | 10% | 0% |
| Jul 28 | 87°F | 55°F | 100°F 2016 | 37°F 2015 | 10% | 0% |
| Jul 29 | 87°F | 55°F | 99°F 2016 | 41°F 2015 | 10% | 0% |
| Jul 30 | 87°F | 55°F | 101°F 2000 | 43°F 2001 | 10% | 0% |
| Jul 31 | 87°F | 55°F | 99°F 2000 | 40°F 2001 | 10% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- July 1
- sunrise 5:20 AM, sunset 8:15 PM
- July 31
- sunrise 5:43 AM, sunset 7:57 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00262708 (Eureka), public domain. Records: NOAA GHCN-Daily, station USW00003170, 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.