Seaside weather in April

In April, Seaside sees average daytime highs of 59°F and overnight lows near 46°F, with 1.5 in of rain across 5.5 wet days and about 12.9 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 58°F in the first days to 61°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 18 min at the start of April to 13 h 24 min by month's end. Set against the rest of the year, April is Seaside's 8th-clearest and 1st-windiest month. For the whole year in context, see Seaside's year-round climate.

Daytime high
59°
8th warmest
Overnight low
46°
5th coldest
Rainfall
1.5 in
5.5 wet days
Daylight
12 h 54 min
5:40 AM – 6:36 PM
Cloud cover
45%
8th clearest
Wind
6 mph
1st windiest
Solar energy
6.47 kWh/m²
Travel score
5.3
out of 10

Seaside is city in Monterey County, California, United States.

Density
1,360/km²
people per km²
Founded
1954

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 58°F in the first days to 61°F by the end.

A typical April day in Seaside reaches about 59°F in the afternoon and slips back to 46°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 53°F and 67°F. Set against its neighbours, April runs on par with March and about 3°F cooler than May.

30°40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
15845
25845
35845
45845
55845
65845
75845
85845
95845
105845
115945
125945
135945
145945
155945
165946
175946
186046
196046
206046
216046
226046
236046
246046
256146
266147
276147
286147
296147
306147

Seaside weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan56° / 44°4.29.19.84.0
Feb57° / 44°4.29.610.64.0
Mar58° / 45°3.39.111.74.5
Apr59° / 46°1.55.512.95.3
May62° / 48°0.62.913.96.6
Jun66° / 50°0.10.614.58.1
Jul70° / 53°0.00.214.28.7
Aug71° / 54°0.10.213.48.8
Sep70° / 53°0.10.612.28.7
Oct67° / 51°0.92.511.17.9
Nov61° / 46°1.95.8105.7
Dec56° / 43°3.88.59.54.0

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 17% of April, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35842
45941
55941
65941
75941
85941
95941
106040
116139
126139
136238
146238
156337
166337
176436
186436
196535
206535
216733
226733
236733
246832
256832
266832
276832
286832
296832
307030

Chance of precipitation in April

Any precipitation

Seaside gets around 1.5 in of rain over 5.5 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 24% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
124
224
324
424
523
623
723
823
923
1022
1122
1221
1321
1420
1519
1619
1718
1817
1916
2016
2115
2214
2314
2413
2513
2613
2713
2812
2912
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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 6 mph in April, the windiest month of the year.

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 18 min at the start of April to 13 h 24 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 6:02 AM to 5:21 AM, and sunset from 6:23 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:026:23
212.46:006:23
312.45:596:24
412.55:576:25
512.55:566:26
612.55:546:27
712.65:536:28
812.65:516:29
912.75:506:30
1012.75:486:30
1112.75:476:31
1212.85:456:32
1312.85:446:33
1412.95:426:34
1512.95:416:35
1612.95:406:36
1713.05:386:37
1813.05:376:37
1913.05:356:38
2013.15:346:39
2113.15:336:40
2213.25:316:41
2313.25:306:42
2413.25:296:43
2513.35:286:44
2613.35:266:44
2713.35:256:45
2813.45:246:46
2913.45:236:47
3013.45:216:48

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.47 kWh/m².

For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 8.03 kWh/m² in June across the year — April's 6.47 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.9Bright
35.9Bright
46.0Bright
56.0Intense
66.0Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.3Intense
126.3Intense
136.3Intense
146.4Intense
156.4Intense
166.5Intense
176.5Intense
186.6Intense
196.6Intense
206.7Intense
216.7Intense
226.7Intense
236.8Intense
246.8Intense
256.9Intense
266.9Intense
276.9Intense
287.0Intense
297.0Intense
307.0Intense
Planning a trip in April

Hazard calendar for Seaside

In seasonPeak

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

Seaside'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 April a good time to visit Seaside?

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

5.3
Sightseeing
8th-best month of the year
0.3
Beach & pool
8th-best month of the year

April is a reasonable time to visit Seaside for sightseeing.

What to pack for Seaside in April

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

In April, Seaside sees daytime highs around 59°F and nights near 46°F. Pack sun protection. Worth having: a warm layer. About 6 days see rain.

sun protectiona warm layer

Sea temperature near Seaside 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 offshore 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
Nov57Bracing
Dec55Bracing

UV index in Seaside 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 Seaside peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 13UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Very high
Sep6High
Oct5High
Nov2Moderate
Dec2Moderate

Air quality in Seaside 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 Seaside 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1920 µg/m³Jun 135 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar8Good
Apr7Good
May6Good
Jun5Good
Jul8Good
Aug22Moderate
Sep15Moderate
Oct12Moderate
Nov8Good
Dec7Good
Location & terrain

Where is Seaside?

Seaside sits at 36.6°N, 121.9°W, 23 ft above sea level, in United States. The nearest listed city is Monterey, 2.5 mi away.

Topography around Seaside

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

Within 2 miles, the terrain around Seaside has only modest variations in elevation — a maximum elevation change of 417 ft around an average of 89 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,218 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,883 ft.

The land around Seaside is covered by artificial surfaces (39%) and water (36%) within 2 miles, water (39%) and trees (31%) within 10 miles, and water (33%), trees (28%) and grassland (27%) within 50 miles.

2 miles
417 ft
10 miles
2,218 ft
50 miles
5,883 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Monterey 2.5 mi · Pacific Grove 3.7 mi · Marina 5.6 mi · Salinas 12 mi · Prunedale 15 mi · Watsonville 21 mi · Big Sur 24 mi · Live Oak 27 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 Seaside (36.6111°, -121.8516°, elevation 23 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).