Arcata weather in July: Arcata, California: normal highs, lows, rain and records for July
Arcata in July has a normal high of 63°F and a normal low of 51°F, a daily mean of 57°F, holding near 63°F all month. Measurable precipitation falls on 5 days in a normal July, 0.19 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 17°C and low of 11°C, 5 mm of precipitation in July.
- NOAA stationArcata Eureka Airport
- Station IDUSW00024283
- Location40.98°N 124.11°W
- Elevation200 ft (61 m)
- Population18,748
- Jan 56° 41°
- Feb 57° 41°
- Mar 57° 41°
- Apr 58° 43°
- May 60° 46°
- Jun 63° 49°
- Jul 63° 51°
- Aug 65° 51°
- Sep 65° 49°
- Oct 64° 45°
- Nov 59° 42°
- Dec 56° 40°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Arcata in July?
The normal high is 63°F and the normal low 51°F, for a daily mean of 57.4°F. July is 1.9°F warmer than June and 0.5°F cooler than August. July is the 2nd warmest month of the year in Arcata and the 12th wettest. Across the month the normal high rises 1°F, from 63°F on July 1 to 64°F on July 31. From one year to the next July's mean temperature typically moves about 1.6°F either way (NOAA's standard deviation), so roughly two Julys in three average between 56°F and 59°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 17%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 63°F | 50°F | 16% | 3% |
| July 8 | 63°F | 51°F | 15% | 2% |
| July 15 | 63°F | 51°F | 16% | 2% |
| July 22 | 64°F | 52°F | 16% | 1% |
| July 31 | 64°F | 52°F | 17% | 1% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 30, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 63°F | 50°F | 16% | 3% | 15 h 10 min |
| July 2 | 63°F | 50°F | 16% | 3% | 15 h |
| July 3 | 63°F | 50°F | 16% | 3% | 15 h |
| July 4 | 63°F | 50°F | 15% | 3% | 15 h |
| July 5 | 63°F | 50°F | 15% | 2% | 15 h |
| July 6 | 63°F | 50°F | 15% | 2% | 15 h |
| July 7 | 63°F | 51°F | 15% | 2% | 15 h |
| July 8 | 63°F | 51°F | 15% | 2% | 15 h |
| July 9 | 63°F | 51°F | 15% | 2% | 15 h |
| July 10 | 63°F | 51°F | 15% | 2% | 15 h |
| July 11 | 63°F | 51°F | 15% | 2% | 15 h |
| July 12 | 63°F | 51°F | 15% | 2% | 15 h |
| July 13 | 63°F | 51°F | 15% | 2% | 14 h 50 min |
| July 14 | 63°F | 51°F | 15% | 2% | 14 h 50 min |
| July 15 | 63°F | 51°F | 16% | 2% | 14 h 50 min |
| July 16 | 63°F | 52°F | 16% | 1% | 14 h 50 min |
| July 17 | 63°F | 52°F | 16% | 1% | 14 h 50 min |
| July 18 | 63°F | 52°F | 16% | 1% | 14 h 50 min |
| July 19 | 63°F | 52°F | 16% | 1% | 14 h 50 min |
| July 20 | 63°F | 52°F | 16% | 1% | 14 h 40 min |
| July 21 | 64°F | 52°F | 16% | 1% | 14 h 40 min |
| July 22 | 64°F | 52°F | 16% | 1% | 14 h 40 min |
| July 23 | 64°F | 52°F | 16% | 1% | 14 h 40 min |
| July 24 | 64°F | 52°F | 16% | 1% | 14 h 40 min |
| July 25 | 64°F | 52°F | 16% | 1% | 14 h 40 min |
| July 26 | 64°F | 52°F | 17% | 1% | 14 h 30 min |
| July 27 | 64°F | 52°F | 17% | 1% | 14 h 30 min |
| July 28 | 64°F | 52°F | 17% | 1% | 14 h 30 min |
| July 29 | 64°F | 52°F | 17% | 1% | 14 h 30 min |
| July 30 | 64°F | 52°F | 17% | 1% | 14 h 30 min |
| July 31 | 64°F | 52°F | 17% | 1% | 14 h 20 min |
- Normal high
- 63°FJuly average
- Normal low
- 51°FJuly average
- Precipitation
- 0.19 inmonth total
- Days with precipitation
- 50.01 inch or more
- Daylight
- 15 h 10 min to 14 h 20 minJuly 1 to July 31
- Days at 70°F or more
- 2
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024283; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Arcata in July?
On a given July day the chance of 0.01 inch or more is 16% on average, highest around July 31 (17%). In all, 0.19 in falls on 5 days of a normal July.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024283.
How humid and windy is Arcata in July?
At 3 p.m. the normal temperature is 61°F with 77% relative humidity and a dew point of 54°F; at 6 a.m. it is 54°F with 96% humidity. The wind averages 5.4 mph, most often from the west-northwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 54°F | 53°F | 96% | 2.3 mph | – |
| 9 a.m. | 57°F | 54°F | 91% | 5.2 mph | – |
| noon | 60°F | 54°F | 81% | 8.1 mph | – |
| 3 p.m. | 61°F | 54°F | 77% | 9.5 mph | 58% |
| 6 p.m. | 59°F | 54°F | 83% | 8.0 mph | 58% |
| 9 p.m. | 55°F | 53°F | 93% | 3.9 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024283. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for July in Arcata?
The warmest July temperature on this station's record (since 1945) is 82°F, on July 8, 2008; the coldest is 42°F, on July 12, 1993. The wettest July brought 0.86 in (2007).
The July mean against the 1991-2020 normal of 57.4°F: 2021 56.6°F (−0.8), 2022 57.8°F (+0.4), 2023 59.3°F (+1.9), 2024 58.7°F (+1.3), 2025 56.9°F (−0.5), 2026 57.4°F (at normal). 3 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 56.6°F | −0.8°F | 0.11 in |
| 2022 | 57.8°F | +0.4°F | 0.60 in |
| 2023 | 59.3°F | +1.9°F | 0.01 in |
| 2024 | 58.7°F | +1.3°F | 0.01 in |
| 2025 | 56.9°F | −0.5°F | 0.04 in |
| 2026 | 57.4°F | at normal | 0.03 in |
Source: records: ACIS, station USW00024283; recent months: ACIS, station USW00024283. Records and recent months use complete months only.
How does July in Arcata compare across California?
Across the 219 places PlainClimate covers in California, July normal highs run from 62°F in Bodega to 111°F in Needles; Arcata's is 63°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.