Gilroy weather in April
In April, Gilroy sees average daytime highs of 66°F and overnight lows near 47°F, with 1.1 in of rain across 4.6 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.
Highs climb over the month, from about 64°F in the first days to 69°F by the end. The sky is clear or mostly clear about 47% of the time in April, and the air most often feels dry.
Daylight stretches from about 12 h 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Gilroy's 8th-clearest and 3rd-windiest month. For the whole year in context, see Gilroy's year-round climate.
- Daytime high
- 66°
- 7th warmest
- Overnight low
- 47°
- 6th coldest
- Rainfall
- 1.1 in
- 4.6 wet days
- Daylight
- 12 h 54 min
- 5:38 AM – 6:35 PM
- Cloud cover
- 44%
- 8th clearest
- Wind
- 4 mph
- 3rd windiest
- Solar energy
- 6.24 kWh/m²
- Travel score
- 7.1
- out of 10
Gilroy is city in Santa Clara County, California, United States.
- Density
- 1,272/km²
- people per km²
- Founded
- 1870
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in April
Highs climb over the month, from about 64°F in the first days to 69°F by the end.
A typical April day in Gilroy reaches about 66°F in the afternoon and slips back to 47°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 57°F and 76°F. Set against its neighbours, April runs about 3°F warmer than March and about 4°F cooler than May.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 67 | 67 | 67 | 67 | 68 | 68 | 68 | 68 | 69 | 69 | 69 | 69 |
| Avg low (°F) | 45 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 49 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 64 | 45 |
| 2 | 64 | 45 |
| 3 | 64 | 45 |
| 4 | 64 | 46 |
| 5 | 64 | 46 |
| 6 | 64 | 46 |
| 7 | 64 | 46 |
| 8 | 65 | 46 |
| 9 | 65 | 46 |
| 10 | 65 | 46 |
| 11 | 65 | 46 |
| 12 | 65 | 46 |
| 13 | 65 | 46 |
| 14 | 65 | 46 |
| 15 | 66 | 46 |
| 16 | 66 | 47 |
| 17 | 66 | 47 |
| 18 | 66 | 47 |
| 19 | 67 | 47 |
| 20 | 67 | 47 |
| 21 | 67 | 47 |
| 22 | 67 | 47 |
| 23 | 68 | 48 |
| 24 | 68 | 48 |
| 25 | 68 | 48 |
| 26 | 68 | 48 |
| 27 | 69 | 48 |
| 28 | 69 | 48 |
| 29 | 69 | 49 |
| 30 | 69 | 49 |
Gilroy weather by month
How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 58° / 41° | 3.4 | 8.3 | 9.7 | 4.6 |
| Feb | 60° / 43° | 3.4 | 8.5 | 10.6 | 5.0 |
| Mar | 63° / 45° | 2.5 | 8 | 11.7 | 6.0 |
| Apr | 66° / 47° | 1.1 | 4.6 | 12.9 | 7.1 |
| May | 70° / 50° | 0.5 | 2.8 | 14 | 8.1 |
| Jun | 75° / 53° | 0.1 | 0.6 | 14.5 | 9.2 |
| Jul | 79° / 57° | 0.0 | 0.2 | 14.3 | 9.2 |
| Aug | 79° / 57° | 0.0 | 0.1 | 13.4 | 9.2 |
| Sep | 78° / 56° | 0.1 | 0.4 | 12.3 | 9.2 |
| Oct | 73° / 51° | 0.7 | 1.9 | 11 | 8.7 |
| Nov | 64° / 45° | 1.4 | 4.7 | 10 | 6.7 |
| Dec | 58° / 40° | 3.0 | 7.7 | 9.5 | 4.6 |
Cloud cover in April
The sky is clear or mostly clear about 47% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 59 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 61 | 60 | 61 | 62 | 62 | 63 | 64 | 64 | 65 | 65 | 67 | 67 | 67 | 69 | 69 | 69 | 70 | 70 | 71 | 71 |
| Cloudier (%) | 41 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 40 | 39 | 38 | 38 | 37 | 36 | 36 | 35 | 35 | 33 | 33 | 33 | 31 | 31 | 31 | 30 | 30 | 29 | 29 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 59 | 41 |
| 2 | 60 | 40 |
| 3 | 60 | 40 |
| 4 | 60 | 40 |
| 5 | 60 | 40 |
| 6 | 60 | 40 |
| 7 | 60 | 40 |
| 8 | 60 | 40 |
| 9 | 60 | 40 |
| 10 | 60 | 40 |
| 11 | 61 | 39 |
| 12 | 60 | 40 |
| 13 | 61 | 39 |
| 14 | 62 | 38 |
| 15 | 62 | 38 |
| 16 | 63 | 37 |
| 17 | 64 | 36 |
| 18 | 64 | 36 |
| 19 | 65 | 35 |
| 20 | 65 | 35 |
| 21 | 67 | 33 |
| 22 | 67 | 33 |
| 23 | 67 | 33 |
| 24 | 69 | 31 |
| 25 | 69 | 31 |
| 26 | 69 | 31 |
| 27 | 70 | 30 |
| 28 | 70 | 30 |
| 29 | 71 | 29 |
| 30 | 71 | 29 |
Chance of precipitation in April
Gilroy gets around 1.1 in of rain over 4.6 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 16% and peaks near 20% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Rain chance (%) | |
|---|---|
| 1 | 20 |
| 2 | 20 |
| 3 | 20 |
| 4 | 19 |
| 5 | 19 |
| 6 | 19 |
| 7 | 19 |
| 8 | 19 |
| 9 | 19 |
| 10 | 19 |
| 11 | 19 |
| 12 | 18 |
| 13 | 18 |
| 14 | 17 |
| 15 | 17 |
| 16 | 16 |
| 17 | 15 |
| 18 | 15 |
| 19 | 14 |
| 20 | 14 |
| 21 | 13 |
| 22 | 13 |
| 23 | 13 |
| 24 | 12 |
| 25 | 12 |
| 26 | 12 |
| 27 | 12 |
| 28 | 12 |
| 29 | 12 |
| 30 | 12 |
Humidity in April
Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 98 | 98 | 97 | 97 | 97 | 97 | 97 | 97 | 96 | 96 | 96 | 96 | 97 | 97 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 3 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 100 | 0 |
| 2 | 100 | 0 |
| 3 | 100 | 0 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 99 | 1 |
| 8 | 99 | 1 |
| 9 | 99 | 1 |
| 10 | 99 | 1 |
| 11 | 99 | 1 |
| 12 | 99 | 1 |
| 13 | 99 | 1 |
| 14 | 98 | 2 |
| 15 | 98 | 2 |
| 16 | 98 | 2 |
| 17 | 98 | 2 |
| 18 | 98 | 2 |
| 19 | 97 | 3 |
| 20 | 97 | 3 |
| 21 | 97 | 3 |
| 22 | 97 | 3 |
| 23 | 97 | 3 |
| 24 | 97 | 3 |
| 25 | 96 | 4 |
| 26 | 96 | 4 |
| 27 | 96 | 4 |
| 28 | 96 | 4 |
| 29 | 97 | 3 |
| 30 | 97 | 3 |
Wind in April
Winds average 4 mph in April.
Across April, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
Sunrise & sunset in April
Daylight runs from about 12 h 24 min at the start of April to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 66 minutes over April. Sunrise moves from 6:00 AM to 5:20 AM, and sunset from 6:22 PM to 6:48 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.5 |
| Sunrise (AM) | 6:00 | 5:59 | 5:57 | 5:56 | 5:54 | 5:53 | 5:51 | 5:50 | 5:48 | 5:47 | 5:45 | 5:44 | 5:42 | 5:41 | 5:39 | 5:38 | 5:37 | 5:35 | 5:34 | 5:33 | 5:31 | 5:30 | 5:29 | 5:27 | 5:26 | 5:25 | 5:23 | 5:22 | 5:21 | 5:20 |
| Sunset (PM) | 6:22 | 6:22 | 6:23 | 6:24 | 6:25 | 6:26 | 6:27 | 6:28 | 6:29 | 6:30 | 6:30 | 6:31 | 6:32 | 6:33 | 6:34 | 6:35 | 6:36 | 6:37 | 6:38 | 6:39 | 6:39 | 6:40 | 6:41 | 6:42 | 6:43 | 6:44 | 6:45 | 6:46 | 6:47 | 6:48 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.4 | 6:00 | 6:22 |
| 2 | 12.4 | 5:59 | 6:22 |
| 3 | 12.4 | 5:57 | 6:23 |
| 4 | 12.5 | 5:56 | 6:24 |
| 5 | 12.5 | 5:54 | 6:25 |
| 6 | 12.6 | 5:53 | 6:26 |
| 7 | 12.6 | 5:51 | 6:27 |
| 8 | 12.6 | 5:50 | 6:28 |
| 9 | 12.7 | 5:48 | 6:29 |
| 10 | 12.7 | 5:47 | 6:30 |
| 11 | 12.8 | 5:45 | 6:30 |
| 12 | 12.8 | 5:44 | 6:31 |
| 13 | 12.8 | 5:42 | 6:32 |
| 14 | 12.9 | 5:41 | 6:33 |
| 15 | 12.9 | 5:39 | 6:34 |
| 16 | 12.9 | 5:38 | 6:35 |
| 17 | 13.0 | 5:37 | 6:36 |
| 18 | 13.0 | 5:35 | 6:37 |
| 19 | 13.1 | 5:34 | 6:38 |
| 20 | 13.1 | 5:33 | 6:39 |
| 21 | 13.1 | 5:31 | 6:39 |
| 22 | 13.2 | 5:30 | 6:40 |
| 23 | 13.2 | 5:29 | 6:41 |
| 24 | 13.2 | 5:27 | 6:42 |
| 25 | 13.3 | 5:26 | 6:43 |
| 26 | 13.3 | 5:25 | 6:44 |
| 27 | 13.4 | 5:23 | 6:45 |
| 28 | 13.4 | 5:22 | 6:46 |
| 29 | 13.4 | 5:21 | 6:47 |
| 30 | 13.5 | 5:20 | 6:48 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 6.24 kWh/m².
For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 7.96 kWh/m² in June across the year — April's 6.24 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.6 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.1 | 6.1 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.6 | Bright |
| 2 | 5.7 | Bright |
| 3 | 5.7 | Bright |
| 4 | 5.7 | Bright |
| 5 | 5.8 | Bright |
| 6 | 5.8 | Bright |
| 7 | 5.9 | Bright |
| 8 | 5.9 | Bright |
| 9 | 5.9 | Bright |
| 10 | 6.0 | Bright |
| 11 | 6.0 | Intense |
| 12 | 6.1 | Intense |
| 13 | 6.1 | Intense |
| 14 | 6.2 | Intense |
| 15 | 6.2 | Intense |
| 16 | 6.3 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.4 | Intense |
| 20 | 6.4 | Intense |
| 21 | 6.5 | Intense |
| 22 | 6.5 | Intense |
| 23 | 6.6 | Intense |
| 24 | 6.6 | Intense |
| 25 | 6.6 | Intense |
| 26 | 6.7 | Intense |
| 27 | 6.7 | Intense |
| 28 | 6.8 | Intense |
| 29 | 6.8 | Intense |
| 30 | 6.8 | Intense |
Is April a good time to visit Gilroy?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is one of the better times to visit Gilroy for general sightseeing.
What to pack for Gilroy in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Gilroy sees daytime highs around 66°F and nights near 47°F. Pack sun protection. About 5 days see rain.
Sea temperature near Gilroy in April
The nearest coast averages about 54°F in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 19 mi away) is warmest in September at about 58°F and coldest in April near 54°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 55 | 55 | 55 | 54 | 54 | 55 | 57 | 58 | 58 | 58 | 56 | 55 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 55 | Bracing |
| Feb | 55 | Bracing |
| Mar | 55 | Bracing |
| Apr | 54 | Bracing |
| May | 54 | Bracing |
| Jun | 55 | Bracing |
| Jul | 57 | Bracing |
| Aug | 58 | Bracing |
| Sep | 58 | Bracing |
| Oct | 58 | Bracing |
| Nov | 56 | Bracing |
| Dec | 55 | Bracing |
UV index in Gilroy in April
Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Gilroy peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 4 | 7 | 8 | 11 | 10 | 10 | 7 | 5 | 2 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme | Very high | High | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 7 | High |
| Oct | 5 | High |
| Nov | 2 | Moderate |
| Dec | 2 | Moderate |
Air quality in Gilroy in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Gilroy is worst in August — around 22 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (June, 5 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 8 | 8 | 7 | 6 | 5 | 8 | 22 | 15 | 12 | 8 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 8 | Good |
| Mar | 8 | Good |
| Apr | 7 | Good |
| May | 6 | Good |
| Jun | 5 | Good |
| Jul | 8 | Good |
| Aug | 22 | Moderate |
| Sep | 15 | Moderate |
| Oct | 12 | Moderate |
| Nov | 8 | Good |
| Dec | 7 | Good |
Where is Gilroy?
Gilroy sits at 37.0°N, 121.6°W, 200 ft above sea level, in United States. The nearest listed city is Morgan Hill, 9.9 mi away.
Topography around Gilroy
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Gilroy.
Within 2 miles, the terrain around Gilroy has only modest variations in elevation — a maximum elevation change of 640 ft around an average of 217 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,871 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,161 ft.
The land around Gilroy is covered by artificial surfaces (49%) and cropland (25%) within 2 miles, trees (38%) and grassland (36%) within 10 miles, and grassland (39%) and trees (27%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Gilroy (37.0058°, -121.5683°, elevation 200 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).