Morgan Hill weather in May

In May, Morgan Hill sees average daytime highs of 71°F and overnight lows near 49°F, with 0.8 in of rain across 3.4 wet days and about 14 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 69°F in the first days to 73°F by the end. The sky is clear or mostly clear about 60% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of May to 14 h 18 min by month's end. Set against the rest of the year, May is Morgan Hill's 6th-clearest and 2nd-windiest month. For the whole year in context, see Morgan Hill's year-round climate.

Daytime high
71°
6th warmest
Overnight low
49°
7th coldest
Rainfall
0.8 in
3.4 wet days
Daylight
14 hours
5:03 AM – 7:02 PM
Cloud cover
36%
6th clearest
Wind
5 mph
2nd windiest
Solar energy
7.2 kWh/m²
Travel score
8.1
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 69°F in the first days to 73°F by the end.

A typical May day in Morgan Hill reaches about 71°F in the afternoon and slips back to 49°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 60°F and 83°F. Set against its neighbours, May runs about 6°F warmer than April and about 6°F cooler than June.

40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16947
26947
36948
46948
56948
66948
77048
87048
97048
107048
117048
127048
137049
147049
157049
167149
177149
187149
197149
207149
217149
227150
237250
247250
257250
267250
277350
287351
297351
307351
317451

Morgan Hill weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26931
36931
46931
56931
66931
76931
86931
96832
106931
116931
126931
137030
146931
157030
167030
177129
187129
197129
207228
217327
227327
237525
247525
257624
267723
277822
287822
297921
307921
318020

Chance of precipitation in May

Any precipitation

Morgan Hill gets around 0.8 in of rain over 3.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 13% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
113
213
313
412
512
612
712
812
912
1012
1112
1212
1312
1412
1512
1612
1711
1811
1911
2011
2110
2210
2310
249
259
268
278
287
297
307
316

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11982
12982
13982
14982
15982
16982
17982
18982
19982
20982
21982
22982
23982
24982
25982
26982
27982
28973
29973
30973
31973

Wind in May

Winds average 5 mph in May.

Across May, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 30 min at the start of May to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:19 AM to 4:54 AM, and sunset from 6:49 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:196:49
213.55:176:50
313.65:166:51
413.65:156:52
513.65:146:53
613.75:136:54
713.75:126:54
813.75:116:55
913.85:106:56
1013.85:096:57
1113.85:086:58
1213.95:076:59
1313.95:067:00
1413.95:057:01
1514.05:047:01
1614.05:037:02
1714.05:037:03
1814.05:027:04
1914.15:017:05
2014.15:007:06
2114.15:007:07
2214.14:597:07
2314.24:587:08
2414.24:587:09
2514.24:577:10
2614.24:567:11
2714.34:567:11
2814.34:557:12
2914.34:557:13
3014.34:547:13
3114.34:547:14

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.2 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 — May's 7.2 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.9Intense
36.9Intense
46.9Intense
57.0Intense
67.0Intense
77.0Intense
87.0Intense
97.1Intense
107.1Intense
117.1Intense
127.1Intense
137.1Intense
147.2Intense
157.2Intense
167.2Intense
177.2Intense
187.2Intense
197.3Intense
207.3Intense
217.3Intense
227.3Intense
237.4Intense
247.4Intense
257.4Intense
267.5Intense
277.5Intense
287.5Intense
297.5Intense
307.6Intense
317.6Intense
Planning a trip in May

Hazard calendar for Morgan Hill

In seasonPeak

None of Morgan Hill's seasonal hazards are active in May. 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 May a good time to visit Morgan Hill?

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

8.1
Sightseeing
6th-best month of the year
5.3
Beach & pool
6th-best month of the year

May is one of the better times to visit Morgan Hill for general sightseeing.

What to pack for Morgan Hill in May

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

In May, Morgan Hill sees daytime highs around 71°F and nights near 49°F. Pack sun protection. About 3 days see rain.

sun protection

Sea temperature near Morgan Hill in May

The nearest coast averages about 54°F in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).