Menlo Park weather in April

In April, Menlo Park sees average daytime highs of 63°F and overnight lows near 49°F, with 1.6 in of rain across 5.6 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 62°F in the first days to 65°F by the end. The sky is clear or mostly clear about 43% 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 Menlo Park's 7th-clearest and 2nd-windiest month. For the whole year in context, see Menlo Park's year-round climate.

Daytime high
63°
7th warmest
Overnight low
49°
6th coldest
Rainfall
1.6 in
5.6 wet days
Daylight
13 hours
5:40 AM – 6:38 PM
Cloud cover
48%
7th clearest
Wind
6 mph
2nd windiest
Solar energy
6.23 kWh/m²
Travel score
6.4
out of 10

Menlo Park is city in San Mateo County, California, United States.

Density
743/km²
people per km²
Founded
1927

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 62°F in the first days to 65°F by the end.

A typical April day in Menlo Park reaches about 63°F in the afternoon and slips back to 49°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 56°F and 72°F. Set against its neighbours, April runs about 2°F warmer than March and about 3°F cooler than May.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
16249
26249
36249
46249
56249
66249
76249
86249
96249
106249
116249
126349
136349
146349
156349
166349
176450
186450
196450
206450
216450
226450
236550
246550
256550
266550
276551
286551
296551
306551

Menlo Park 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
Jan57° / 45°3.99.49.74.1
Feb59° / 47°4.29.310.64.5
Mar61° / 48°3.29.111.75.3
Apr63° / 49°1.65.612.96.4
May66° / 52°0.83.3147.4
Jun70° / 54°0.20.914.58.5
Jul73° / 56°0.00.214.39.1
Aug74° / 57°0.00.113.49.2
Sep74° / 57°0.10.412.39.2
Oct71° / 54°0.93118.2
Nov63° / 49°2.06106.1
Dec57° / 46°3.79.39.54.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% 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 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25347
35347
45446
55446
65545
75446
85545
95545
105743
115743
125842
135842
145941
155941
166040
176040
186139
196238
206238
216337
226337
236436
246436
256436
266436
276535
286535
296634
306634

Chance of precipitation in April

Any precipitation

Menlo Park gets around 1.6 in of rain over 5.6 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 19% and peaks near 23% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
123
223
322
422
522
622
722
822
922
1022
1122
1222
1321
1421
1520
1620
1719
1819
1918
2018
2117
2216
2316
2415
2515
2614
2714
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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9982
10982
11982
12982
13982
14982
15973
16973
17973
18973
19973
20973
21973
22964
23964
24964
25964
26964
27964
28964
29964
30964

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 6:03 AM to 5:21 AM, and sunset from 6:24 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:036:24
212.46:016:25
312.45:596:26
412.55:586:27
512.55:566:28
612.65:556:29
712.65:536:30
812.65:526:31
912.75:506:31
1012.75:496:32
1112.85:476:33
1212.85:466:34
1312.85:446:35
1412.95:436:36
1512.95:426:37
1613.05:406:38
1713.05:396:39
1813.05:376:40
1913.15:366:41
2013.15:346:42
2113.25:336:42
2213.25:326:43
2313.25:306:44
2413.35:296:45
2513.35:286:46
2613.35:266:47
2713.45:256:48
2813.45:246:49
2913.55:236:50
3013.55:216:51

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.23 kWh/m².

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 7.76 kWh/m² in June across the year — April's 6.23 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.7Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
106.0Bright
116.0Intense
126.0Intense
136.1Intense
146.2Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.4Intense
206.4Intense
216.5Intense
226.5Intense
236.6Intense
246.6Intense
256.6Intense
266.7Intense
276.7Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in April

Hazard calendar for Menlo Park

In seasonPeak

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

Menlo Park's rainy season runs November–March, when most of the year's rain falls.

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

Is April a good time to visit Menlo Park?

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

6.4
Sightseeing
7th-best month of the year
1.8
Beach & pool
7th-best month of the year

April is a reasonable time to visit Menlo Park for sightseeing.

What to pack for Menlo Park in April

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

In April, Menlo Park sees daytime highs around 63°F and nights near 49°F. Pack sun protection. About 6 days see rain.

sun protection

Sea temperature near Menlo Park 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 12 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 Menlo Park 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 Menlo Park 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 Menlo Park 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 Menlo Park is worst in August — around 25 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (June, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateAug 1824 µg/m³Jun 1110 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar16Moderate
Apr12Moderate
May10Good
Jun10Good
Jul11Good
Aug25Moderate
Sep17Moderate
Oct20Moderate
Nov18Moderate
Dec13Moderate
Location & terrain

Where is Menlo Park?

Menlo Park sits at 37.5°N, 122.2°W, 72 ft above sea level, in United States. The nearest listed city is Palo Alto, 2.5 mi away.

Topography around Menlo Park

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

Within 2 miles, the terrain around Menlo Park has only modest variations in elevation — a maximum elevation change of 177 ft around an average of 72 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,949 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,449 ft.

The land around Menlo Park is covered by trees (61%) and artificial surfaces (36%) within 2 miles, trees (39%), water (26%) and artificial surfaces (20%) within 10 miles, and water (38%), trees (25%) and grassland (22%) within 50 miles.

2 miles
177 ft
10 miles
2,949 ft
50 miles
4,449 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Palo Alto 2.5 mi · East Palo Alto 2.5 mi · Redwood City 3.7 mi · San Carlos 5.6 mi · Los Altos 6.2 mi · Belmont 6.8 mi · Mountain View 7.5 mi · Foster City 8.7 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 Menlo Park (37.4538°, -122.1822°, elevation 72 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).