Gilroy weather in October: Gilroy, California: normal highs, lows, rain and records for October
Gilroy in October has a normal high of 79°F and a normal low of 48°F, a daily mean of 63°F, falling from 83°F on the 1st to 74°F by the 31st. Measurable precipitation falls on 3 days in a normal October, 0.85 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 9°C, 22 mm of precipitation in October.
- NOAA stationGilroy
- Station IDUSC00043417
- Location37.00°N 121.56°W
- Elevation194 ft (59 m)
- From the center1 miles
- Population60,390
- Jan 61° 38°
- Feb 64° 40°
- Mar 68° 43°
- Apr 72° 45°
- May 77° 49°
- Jun 83° 52°
- Jul 87° 54°
- Aug 87° 54°
- Sep 85° 53°
- Oct 79° 48°
- Nov 68° 42°
- Dec 60° 37°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Gilroy in October?
The normal high is 79°F and the normal low 48°F, for a daily mean of 63.4°F. October is 5.3°F cooler than September and 8.4°F warmer than November. October is the 5th warmest month of the year in Gilroy and the 7th wettest. Across the month the normal high falls 9°F, from 83°F on October 1 to 74°F on October 31. From one year to the next October's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 61°F and 66°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 15%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 83°F | 51°F | 5% | 2% |
| October 8 | 81°F | 49°F | 6% | 4% |
| October 15 | 79°F | 48°F | 9% | 5% |
| October 22 | 77°F | 47°F | 11% | 6% |
| October 31 | 74°F | 45°F | 15% | 9% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 83°F | 51°F | 5% | 2% | 11 h 50 min |
| October 2 | 82°F | 50°F | 5% | 3% | 11 h 50 min |
| October 3 | 82°F | 50°F | 5% | 3% | 11 h 50 min |
| October 4 | 82°F | 50°F | 5% | 3% | 11 h 40 min |
| October 5 | 82°F | 50°F | 6% | 3% | 11 h 40 min |
| October 6 | 82°F | 50°F | 6% | 3% | 11 h 40 min |
| October 7 | 81°F | 50°F | 6% | 4% | 11 h 40 min |
| October 8 | 81°F | 49°F | 6% | 4% | 11 h 30 min |
| October 9 | 81°F | 49°F | 7% | 4% | 11 h 30 min |
| October 10 | 81°F | 49°F | 7% | 4% | 11 h 30 min |
| October 11 | 80°F | 49°F | 7% | 4% | 11 h 30 min |
| October 12 | 80°F | 49°F | 8% | 4% | 11 h 30 min |
| October 13 | 80°F | 49°F | 8% | 5% | 11 h 20 min |
| October 14 | 80°F | 48°F | 8% | 5% | 11 h 20 min |
| October 15 | 79°F | 48°F | 9% | 5% | 11 h 20 min |
| October 16 | 79°F | 48°F | 9% | 5% | 11 h 20 min |
| October 17 | 79°F | 48°F | 10% | 5% | 11 h 10 min |
| October 18 | 79°F | 48°F | 10% | 6% | 11 h 10 min |
| October 19 | 78°F | 47°F | 10% | 6% | 11 h 10 min |
| October 20 | 78°F | 47°F | 11% | 6% | 11 h 10 min |
| October 21 | 78°F | 47°F | 11% | 6% | 11 h |
| October 22 | 77°F | 47°F | 11% | 6% | 11 h |
| October 23 | 77°F | 47°F | 12% | 7% | 11 h |
| October 24 | 77°F | 47°F | 12% | 7% | 11 h |
| October 25 | 76°F | 46°F | 13% | 7% | 11 h |
| October 26 | 76°F | 46°F | 13% | 7% | 10 h 50 min |
| October 27 | 76°F | 46°F | 14% | 8% | 10 h 50 min |
| October 28 | 75°F | 46°F | 14% | 8% | 10 h 50 min |
| October 29 | 75°F | 46°F | 14% | 8% | 10 h 50 min |
| October 30 | 75°F | 45°F | 15% | 8% | 10 h 50 min |
| October 31 | 74°F | 45°F | 15% | 9% | 10 h 40 min |
- Normal high
- 79°FOctober average
- Normal low
- 48°FOctober average
- Precipitation
- 0.85 inmonth total
- Days with precipitation
- 30.01 inch or more
- Days at 90°F or more
- 5
- Daylight
- 11 h 50 min to 10 h 40 minOctober 1 to October 31
- Days at 70°F or more
- 27
- Days at 80°F or more
- 15
- Sunshine
- 91%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00043417; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Gilroy in October?
On a given October day the chance of 0.01 inch or more is 9% on average, highest around October 31 (15%). In all, 0.85 in falls on 3 days of a normal October.
In a normal October in Gilroy, 5 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00043417.
What are the records for October in Gilroy?
The warmest October temperature on this station's record (since 1957) is 107°F, on October 2, 1980; the coldest is 29°F, on October 30, 1971. The wettest October brought 6.57 in (2009).
The October mean against the 1991-2020 normal of 63.4°F: 2021 64.4°F (+1.0). 1 of 1 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.4°F | +1.0°F | 3.79 in |
Source: records: ACIS, station USC00043417; recent months: ACIS, station USC00043417. Records and recent months use complete months only.
How does October in Gilroy compare across California?
Across the 219 places PlainClimate covers in California, October normal highs run from 58°F in Tahoma to 93°F in Brawley; Gilroy's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.