Rancho Penasquitos weather in April

In April, Rancho Penasquitos sees average daytime highs of 69°F and overnight lows near 51°F, with 1.2 in of rain across 4.4 wet days and about 12.8 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 67°F in the first days to 71°F by the end. The sky is clear or mostly clear about 55% 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 18 min by month's end. Set against the rest of the year, April is Rancho Penasquitos's 8th-clearest and 1st-windiest month. For the whole year in context, see Rancho Penasquitos's year-round climate.

Daytime high
69°
8th warmest
Overnight low
51°
6th coldest
Rainfall
1.2 in
4.4 wet days
Daylight
12 h 48 min
5:24 AM – 6:13 PM
Cloud cover
40%
8th clearest
Wind
5 mph
1st windiest
Solar energy
6.78 kWh/m²
Travel score
7.6
out of 10

Rancho Penasquitos is human settlement in San Diego, California, United States of America.

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 67°F in the first days to 71°F by the end.

A typical April day in Rancho Penasquitos reaches about 69°F in the afternoon and slips back to 51°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 59°F and 79°F. Set against its neighbours, April runs about 3°F warmer than March and about 3°F cooler than May.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
16749
26749
36749
46749
56749
66749
76750
86750
96850
106850
116850
126850
136850
146950
156951
166951
176951
186951
196951
207051
217052
227052
237052
247052
257152
267153
277153
287153
297153
307153

Rancho Penasquitos 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
Jan64° / 44°2.96.210.16.7
Feb64° / 46°3.87.410.86.3
Mar66° / 48°2.56.411.76.8
Apr69° / 51°1.24.412.87.6
May72° / 55°0.62.613.78.3
Jun77° / 59°0.10.614.19.2
Jul81° / 64°0.11148.6
Aug83° / 65°0.10.513.27.9
Sep82° / 63°0.2112.28.3
Oct77° / 57°0.82.811.28.6
Nov70° / 50°1.33.710.37.9
Dec64° / 44°2.35.49.96.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16139
26238
36337
46337
56436
66535
76535
86535
96634
106634
116733
126733
136832
146832
156931
166931
177030
187129
197129
207129
217129
227129
237129
247228
257129
267129
277129
287030
297030
307030

Chance of precipitation in April

Any precipitation

Rancho Penasquitos gets around 1.2 in of rain over 4.4 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 14% and peaks near 17% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
117
217
317
416
516
616
716
816
915
1015
1115
1215
1314
1414
1514
1613
1713
1813
1913
2013
2113
2213
2313
2412
2512
2612
2713
2813
2913
3013

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 95% 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
8982
9982
10982
11982
12973
13973
14964
15964
16955
17955
18946
19946
20937
21928
22928
23919
249010
259010
268911
278911
288911
298812
308812

Wind in April

Winds average 5 mph in April, the windiest month of the year.

Across April, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over April. Sunrise moves from 5:44 AM to 5:08 AM, and sunset from 6:02 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:446:02
212.35:436:03
312.45:416:04
412.45:406:04
512.45:396:05
612.55:376:06
712.55:366:07
812.55:356:07
912.65:336:08
1012.65:326:09
1112.65:316:09
1212.75:296:10
1312.75:286:11
1412.75:276:12
1512.85:266:12
1612.85:246:13
1712.85:236:14
1812.95:226:15
1912.95:216:15
2012.95:196:16
2113.05:186:17
2213.05:176:18
2313.05:166:18
2413.15:156:19
2513.15:146:20
2613.15:126:21
2713.25:116:21
2813.25:106:22
2913.25:096:23
3013.35:086:24

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.78 kWh/m².

For context, solar energy here swings from a low near 3.13 kWh/m² to a high of 8.17 kWh/m² in June across the year — April's 6.78 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.3Intense
46.3Intense
56.4Intense
66.4Intense
76.5Intense
86.5Intense
96.5Intense
106.6Intense
116.6Intense
126.7Intense
136.7Intense
146.8Intense
156.8Intense
166.8Intense
176.9Intense
186.9Intense
196.9Intense
207.0Intense
217.0Intense
227.0Intense
237.1Intense
247.1Intense
257.1Intense
267.1Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
Planning a trip in April

Is April a good time to visit Rancho Penasquitos?

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

7.6
Sightseeing
8th-best month of the year
4.3
Beach & pool
8th-best month of the year

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

What to pack for Rancho Penasquitos in April

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

In April, Rancho Penasquitos sees daytime highs around 69°F and nights near 51°F. Pack sun protection. About 4 days see rain.

sun protection

Sea temperature near Rancho Penasquitos in April

The nearest coast averages about 61°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 16 mi away) is warmest in August at about 70°F and coldest in February near 59°F.

It's comfortable for a long swim from Jul 8 to Oct 6 — about 3 months when the water holds above 68°F.

60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°F)Comfort
Jan60Cool
Feb59Cool
Mar60Cool
Apr61Cool
May64Cool
Jun66Cool
Jul69Refreshing
Aug70Refreshing
Sep70Refreshing
Oct67Cool
Nov64Cool
Dec61Cool

UV index in Rancho Penasquitos in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rancho Penasquitos peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 17UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Rancho Penasquitos 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 Rancho Penasquitos is worst in September — around 26 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (May, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1625 µg/m³May 168 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar12Moderate
Apr11Good
May8Good
Jun11Good
Jul11Good
Aug15Moderate
Sep26Moderate
Oct14Moderate
Nov12Moderate
Dec16Moderate
Location & terrain

Where is Rancho Penasquitos?

Rancho Penasquitos sits at 33.0°N, 117.1°W, 600 ft above sea level, in United States. The nearest listed city is Mira Mesa, 3.7 mi away.

Topography around Rancho Penasquitos

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

Within 2 miles, the terrain around Rancho Penasquitos has significant variations in elevation — a maximum elevation change of 1,302 ft around an average of 617 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,835 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,450 ft.

The land around Rancho Penasquitos is covered by artificial surfaces (45%), trees (25%) and shrubs (22%) within 2 miles, artificial surfaces (29%), trees (26%) and shrubs (24%) within 10 miles, and shrubs (27%) and water (27%) within 50 miles.

2 miles
1,302 ft
10 miles
2,835 ft
50 miles
6,450 ft
treesshrubsgrasslandartificial surfacesbare terrainwater
April weather nearby: Mira Mesa 3.7 mi · Poway 4.3 mi · Escondido 11 mi · Encinitas 12 mi · Santee 12 mi · La Jolla 12 mi · San Marcos 13 mi · Lakeside 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 Rancho Penasquitos (32.9595°, -117.1153°, elevation 600 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).