Pleasanton weather in April

In April, Pleasanton sees average daytime highs of 68°F and overnight lows near 47°F, with 1.3 in of rain across 5.2 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 65°F in the first days to 71°F by the end. The sky is clear or mostly clear about 46% 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 Pleasanton's 7th-clearest and 3rd-windiest month. For the whole year in context, see Pleasanton's year-round climate.

Daytime high
68°
7th warmest
Overnight low
47°
6th coldest
Rainfall
1.3 in
5.2 wet days
Daylight
13 hours
5:39 AM – 6:37 PM
Cloud cover
45%
7th clearest
Wind
6 mph
3rd windiest
Solar energy
6.29 kWh/m²
Travel score
7.2
out of 10

Pleasanton is city in Alameda County, California, United States.

Density
1,265/km²
people per km²
Founded
1839

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 65°F in the first days to 71°F by the end.

A typical April day in Pleasanton reaches about 68°F in the afternoon and slips back to 47°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 58°F and 78°F. Set against its neighbours, April runs about 4°F warmer than March and about 6°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
16546
26546
36546
46546
56546
66546
76546
86646
96646
106646
116646
126646
136746
146747
156747
166747
176847
186847
196847
206947
216948
226948
237048
247048
257049
267149
277149
287149
297149
307149

Pleasanton 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.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan56° / 41°3.49.49.74.0
Feb59° / 43°3.38.810.54.7
Mar63° / 45°2.68.711.75.9
Apr68° / 47°1.35.212.97.2
May73° / 51°0.63148.4
Jun80° / 55°0.20.814.68.8
Jul84° / 58°0.00.214.37.8
Aug83° / 58°0.10.313.57.8
Sep81° / 56°0.10.512.38.7
Oct74° / 52°0.82.8118.6
Nov63° / 45°1.65.6106.3
Dec56° / 41°3.18.89.44.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25644
35545
45545
55644
65644
75644
85743
95842
105842
115842
125941
136040
146139
156139
166238
176238
186436
196436
206535
216535
226634
236634
246634
256634
266733
276733
286733
296733
306832

Chance of precipitation in April

Any precipitation

Pleasanton gets around 1.3 in of rain over 5.2 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 18% and peaks near 22% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
122
222
321
421
521
621
721
821
921
1021
1120
1220
1320
1419
1519
1618
1718
1817
1916
2016
2115
2215
2314
2414
2514
2613
2713
2813
2913
3012

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18982
19982
20982
21982
22982
23982
24982
25982
26982
27982
28982
29982
30982

Wind in April

Winds average 6 mph in April.

Across April, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in April

DaylightNight

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 6:01 AM to 5:20 AM, and sunset from 6:23 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:016:23
212.46:006:24
312.45:586:25
412.55:576:26
512.55:556:27
612.65:546:28
712.65:526:29
812.65:506:29
912.75:496:30
1012.75:476:31
1112.85:466:32
1212.85:446:33
1312.95:436:34
1412.95:426:35
1512.95:406:36
1613.05:396:37
1713.05:376:38
1813.05:366:39
1913.15:346:40
2013.15:336:41
2113.25:326:41
2213.25:306:42
2313.25:296:43
2413.35:286:44
2513.35:266:45
2613.45:256:46
2713.45:246:47
2813.45:226:48
2913.55:216:49
3013.55:206:50

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.29 kWh/m².

For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 8.21 kWh/m² in June across the year — April's 6.29 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.8Bright
65.8Bright
75.9Bright
85.9Bright
96.0Bright
106.0Intense
116.0Intense
126.1Intense
136.2Intense
146.2Intense
156.3Intense
166.3Intense
176.3Intense
186.4Intense
196.5Intense
206.5Intense
216.5Intense
226.6Intense
236.7Intense
246.7Intense
256.7Intense
266.8Intense
276.8Intense
286.9Intense
296.9Intense
306.9Intense
Planning a trip in April

Is April a good time to visit Pleasanton?

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

7.2
Sightseeing
7th-best month of the year
3.7
Beach & pool
7th-best month of the year

April is one of the better times to visit Pleasanton for general sightseeing.

What to pack for Pleasanton in April

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

In April, Pleasanton sees daytime highs around 68°F and nights near 47°F. Pack sun protection. About 5 days see rain.

sun protection

Sea temperature near Pleasanton 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 34 mi away) is warmest in August at about 59°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
Jan54Bracing
Feb54Bracing
Mar54Bracing
Apr54Bracing
May54Bracing
Jun55Bracing
Jul57Bracing
Aug59Bracing
Sep59Bracing
Oct58Bracing
Nov56Bracing
Dec55Bracing

UV index in Pleasanton in April

LowModerateHighVery highExtreme

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 Pleasanton peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 23UV 10Dec 15UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Very high
Sep6High
Oct5High
Nov2Moderate
Dec2Moderate

Air quality in Pleasanton in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Pleasanton 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 Pleasanton?

Pleasanton sits at 37.7°N, 121.9°W, 348 ft above sea level, in United States. The nearest listed city is Dublin, 4.3 mi away.

Topography around Pleasanton

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

Within 2 miles, the terrain around Pleasanton has only modest variations in elevation — a maximum elevation change of 522 ft around an average of 390 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,392 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,452 ft.

The land around Pleasanton is covered by artificial surfaces (43%), trees (30%) and grassland (23%) within 2 miles, grassland (52%), trees (23%) and artificial surfaces (20%) within 10 miles, and grassland (28%) and trees (27%) within 50 miles.

2 miles
522 ft
10 miles
2,392 ft
50 miles
4,452 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Dublin 4.3 mi · Livermore 6.2 mi · Union City 9.3 mi · San Ramon 9.9 mi · Fremont 9.9 mi · Hayward 11 mi · Castro Valley 12 mi · Newark 13 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 Pleasanton (37.6624°, -121.8747°, elevation 348 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).