Morgan Hill weather in October

In October, Morgan Hill sees average daytime highs of 73°F and overnight lows near 51°F, with 1.0 in of rain across 2.8 wet days and about 11 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 77°F in the first days to 69°F by the end. The sky is clear or mostly clear about 70% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 30 min by month's end. Set against the rest of the year, October is Morgan Hill's 5th-clearest and 9th-windiest month. For the whole year in context, see Morgan Hill's year-round climate.

Daytime high
73°
5th warmest
Overnight low
51°
8th coldest
Rainfall
1.0 in
2.8 wet days
Daylight
11 hours
6:21 AM – 5:23 PM
Cloud cover
27%
5th clearest
Wind
4 mph
9th windiest
Solar energy
4.37 kWh/m²
Travel score
8.6
out of 10

Morgan Hill is city in Santa Clara County, California, United States.

Density
1,287/km²
people per km²
Founded
1906

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 77°F in the first days to 69°F by the end.

A typical October day in Morgan Hill reaches about 73°F in the afternoon and slips back to 51°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 63°F and 84°F. Set against its neighbours, October runs about 6°F cooler than September and about 10°F warmer than November.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17754
27754
37754
47653
57653
67653
77653
87653
97553
107552
117552
127552
137452
147452
157452
167451
177351
187351
197351
207351
217251
227250
237150
247150
257149
267049
277049
287049
296948
306948
316848

Morgan Hill weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan56° / 40°4.49.19.74.1
Feb58° / 42°4.49.210.64.4
Mar61° / 44°3.39.211.75.4
Apr65° / 45°1.65.712.96.7
May71° / 49°0.83.4148.1
Jun77° / 53°0.20.814.59.1
Jul82° / 57°0.10.214.38.8
Aug82° / 57°0.00.313.48.8
Sep80° / 56°0.10.612.38.9
Oct73° / 51°1.02.8118.6
Nov63° / 44°1.95.7106.2
Dec56° / 40°3.98.89.54.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 9% of October, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28614
38614
48515
58515
68317
78317
88218
98119
108119
118119
127921
137921
147921
157921
167921
177921
187822
197822
207723
217723
227723
237723
247624
257624
267624
277426
287426
297327
307228
317228

Chance of precipitation in October

Any precipitation

Morgan Hill gets around 1.0 in of rain over 2.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 9% and peaks near 14% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
14
25
35
45
56
66
76
87
97
107
117
127
137
147
157
168
178
188
199
209
2110
2210
2311
2411
2511
2612
2712
2813
2913
3014
3114

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1964
2964
3973
4973
5973
6973
7964
8964
9964
10964
11964
12964
13964
14964
15964
16964
17964
18964
19964
20964
21973
22973
23973
24982
25982
26982
27982
28982
29982
30982
31982

Wind in October

Winds average 4 mph in October.

Across October, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over October. Sunrise moves from 6:07 AM to 6:36 AM, and sunset from 5:44 PM to 5:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:075:44
211.66:085:43
311.56:095:41
411.56:105:40
511.56:105:38
611.46:115:37
711.46:125:35
811.36:135:34
911.36:145:32
1011.36:155:31
1111.26:165:29
1211.26:175:28
1311.16:185:27
1411.16:195:25
1511.16:205:24
1611.06:215:23
1711.06:225:21
1811.06:235:20
1910.96:245:19
2010.96:255:17
2110.86:265:16
2210.86:275:15
2310.86:285:14
2410.76:295:12
2510.76:305:11
2610.76:315:10
2710.66:325:09
2810.66:335:08
2910.56:345:07
3010.56:355:06
3110.56:365:04

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.37 kWh/m².

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 7.99 kWh/m² in June across the year — October's 4.37 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
64.9Bright
74.8Bright
84.8Bright
94.8Bright
104.7Bright
114.6Bright
124.6Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.2Bright
204.2Bright
214.1Bright
224.1Bright
234.0Bright
244.0Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
313.6Moderate
Planning a trip in October

Hazard calendar for Morgan Hill

In seasonPeak

None of Morgan Hill's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Morgan Hill's rainy season runs December–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Morgan Hill?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.6
Sightseeing
5th-best month of the year
6.5
Beach & pool
5th-best month of the year

October is one of the better times to visit Morgan Hill for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Morgan Hill in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Morgan Hill sees daytime highs around 73°F and nights near 51°F. Worth packing: light clothes.

light clothes

Sea temperature near Morgan Hill in October

The nearest coast averages about 58°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 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.

52°54°56°58°60°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°F)Comfort
Jan55Bracing
Feb55Bracing
Mar55Bracing
Apr54Bracing
May54Bracing
Jun55Bracing
Jul57Bracing
Aug58Bracing
Sep58Bracing
Oct58Bracing
Nov56Bracing
Dec55Bracing

UV index in Morgan Hill in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Morgan Hill 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 10Dec 14UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep7High
Oct5High
Nov2Moderate
Dec2Moderate

Air quality in Morgan Hill in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Morgan Hill is worst in August — around 34 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (June, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateAug 1832 µg/m³Jun 157 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun7Good
Jul9Good
Aug34Moderate
Sep16Moderate
Oct14Moderate
Nov15Moderate
Dec12Good
Location & terrain

Where is Morgan Hill?

Morgan Hill sits at 37.1°N, 121.7°W, 354 ft above sea level, in United States. The nearest listed city is Gilroy, 9.9 mi away.

Topography around Morgan Hill

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Morgan Hill.

Within 2 miles, the terrain around Morgan Hill has significant variations in elevation — a maximum elevation change of 1,073 ft around an average of 436 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,360 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,298 ft.

The land around Morgan Hill is covered by artificial surfaces (45%), grassland (26%) and trees (20%) within 2 miles, trees (53%) and grassland (33%) within 10 miles, and grassland (37%) and trees (26%) within 50 miles.

2 miles
1,073 ft
10 miles
3,360 ft
50 miles
4,298 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Gilroy 9.9 mi · Watsonville 16 mi · Los Gatos 19 mi · Alum Rock 19 mi · Campbell 19 mi · San Jose 20 mi · Live Oak 21 mi · Saratoga 22 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Morgan Hill (37.1305°, -121.6544°, elevation 354 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).