Fillmore weather in April

In April, Fillmore sees average daytime highs of 67°F and overnight lows near 45°F, with 1.0 in of precipitation across 3.7 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 64°F in the first days to 70°F by the end. The sky is clear or mostly clear about 57% 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 Fillmore's 8th-clearest and 5th-windiest month. For the whole year in context, see Fillmore's year-round climate.

Daytime high
67°
7th warmest
Overnight low
45°
6th coldest
Precipitation
1.0 in
3.7 wet days
Daylight
12 h 54 min
5:30 AM – 6:22 PM
Cloud cover
36%
8th clearest
Wind
4 mph
5th windiest
Solar energy
7.03 kWh/m²
Travel score
7.5
out of 10

Fillmore is city in Ventura County, California, United States.

Density
1,784/km²
people per km²
Founded
1914

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 64°F in the first days to 70°F by the end.

A typical April day in Fillmore reaches about 67°F in the afternoon and slips back to 45°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 56°F and 77°F. Set against its neighbours, April runs about 4°F warmer than March and about 5°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
16443
26443
36443
46444
56444
66544
76544
86544
96544
106544
116544
126644
136644
146645
156645
166745
176745
186746
196746
206846
216846
226946
236947
246947
256947
267047
277048
287048
297048
307148

Fillmore weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan58° / 40°3.35.81.8105.0
Feb59° / 40°3.671.910.74.9
Mar62° / 42°2.76.21.411.76.1
Apr67° / 45°1.03.70.712.87.5
May72° / 51°0.62.8013.88.4
Jun79° / 57°0.10.7014.39.0
Jul84° / 62°0.21014.17.6
Aug85° / 63°0.00.2013.37.4
Sep81° / 59°0.20.9012.28.5
Oct74° / 52°0.72.8011.18.7
Nov65° / 45°0.82.90.310.27.3
Dec58° / 40°2.251.19.75.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% 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 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
27030
37030
47030
57030
67129
77129
87129
97129
107129
117129
127129
137129
147228
157228
167228
177228
187327
197327
207327
217327
227327
237327
247327
257426
267426
277426
287426
297525
307525

Chance of precipitation in April

Any precipitationSnow

Fillmore gets around 1.0 in of rain and snow over 3.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 13% and peaks near 17% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)Snow chance (%)
1173
2173
3163
4163
5163
6163
7153
8154
9154
10144
11144
12144
13134
14133
15133
16123
17123
18113
19112
20112
21102
22101
23101
24101
25101
26101
27101
28100
29100
30100

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 4 mph in April.

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

0246810151015202530
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 5:51 AM to 5:13 AM, and sunset from 6:10 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:516:10
212.45:496:11
312.45:486:12
412.45:466:12
512.55:456:13
612.55:446:14
712.55:426:15
812.65:416:15
912.65:396:16
1012.65:386:17
1112.75:376:18
1212.75:356:19
1312.85:346:19
1412.85:336:20
1512.85:316:21
1612.95:306:22
1712.95:296:22
1812.95:286:23
1913.05:266:24
2013.05:256:25
2113.05:246:26
2213.15:226:26
2313.15:216:27
2413.15:206:28
2513.25:196:29
2613.25:186:30
2713.25:176:30
2813.35:156:31
2913.35:146:32
3013.35:136:33

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 7.03 kWh/m².

For context, solar energy here swings from a low near 2.97 kWh/m² to a high of 8.34 kWh/m² in June across the year — April's 7.03 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.5Intense
46.5Intense
56.6Intense
66.6Intense
76.7Intense
86.7Intense
96.8Intense
106.8Intense
116.8Intense
126.9Intense
136.9Intense
147.0Intense
157.0Intense
167.0Intense
177.1Intense
187.1Intense
197.2Intense
207.2Intense
217.3Intense
227.3Intense
237.3Intense
247.4Intense
257.4Intense
267.4Intense
277.5Intense
287.5Intense
297.5Intense
307.5Intense
Planning a trip in April

Is April a good time to visit Fillmore?

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

7.5
Sightseeing
6th-best month of the year
3.5
Beach & pool
7th-best month of the year

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

What to pack for Fillmore in April

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

In April, Fillmore sees daytime highs around 67°F and nights near 45°F. Pack sun protection. Worth having: a warm layer. About 4 days see rain.

sun protectiona warm layer

Sea temperature near Fillmore in April

The nearest coast averages about 58°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 22 mi away) is warmest in August at about 67°F and coldest in March near 58°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

55°60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan58Bracing
Feb58Bracing
Mar58Bracing
Apr58Bracing
May60Cool
Jun63Cool
Jul66Cool
Aug67Cool
Sep67Cool
Oct65Cool
Nov62Cool
Dec60Cool

UV index in Fillmore 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 Fillmore peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 15UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Fillmore 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 Fillmore is worst in December — around 78 µg/m³ PM2.5 (unhealthy), about 12.6× the cleanest month (January, 6 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyDec 1670 µg/m³Jan 246 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar8Good
Apr7Good
May7Good
Jun7Good
Jul11Good
Aug12Good
Sep11Good
Oct8Good
Nov14Moderate
Dec78Unhealthy
Location & terrain

Where is Fillmore?

Fillmore sits at 34.4°N, 118.9°W, 456 ft above sea level, in United States. The nearest listed city is Moorpark, 8.1 mi away.

Topography around Fillmore

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

Within 2 miles, the terrain around Fillmore has significant variations in elevation — a maximum elevation change of 1,506 ft around an average of 597 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,476 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,796 ft.

The land around Fillmore is covered by trees (30%) and grassland (22%) within 2 miles, trees (38%) and grassland (34%) within 10 miles, and grassland (29%), water (26%) and trees (20%) within 50 miles.

2 miles
1,506 ft
10 miles
5,476 ft
50 miles
8,796 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Moorpark 8.1 mi · Santa Paula 8.7 mi · Simi Valley 12 mi · Camarillo 14 mi · Thousand Oaks 16 mi · Valencia 18 mi · Castaic 18 mi · Stevenson Ranch 20 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 Fillmore (34.3992°, -118.9181°, elevation 456 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).