Rosemead weather in April

In April, Rosemead sees average daytime highs of 71°F and overnight lows near 52°F, with 0.9 in of rain across 3.2 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 69°F in the first days to 74°F by the end. The sky is clear or mostly clear about 56% 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 Rosemead's 8th-clearest and 2nd-windiest month. For the whole year in context, see Rosemead's year-round climate.

Daytime high: 71°; 7th warmest
Overnight low: 52°; 6th coldest
Rainfall: 0.9 in; 3.2 wet days
Daylight: 12 h 48 min; 5:27 AM – 6:18 PM
Cloud cover: 39%; 8th clearest
Wind: 4 mph; 2nd windiest
Solar energy: 6.63 kWh/m²
Travel score: 8.0; out of 10

Rosemead is city in Los Angeles County, California, United States.

Density: 4,096/km²; people per km²
Founded: 1959

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

← March Rosemead year-round climate May →Best places to visit in April

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 69°F in the first days to 74°F by the end.

A typical April day in Rosemead reaches about 71°F in the afternoon and slips back to 52°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 61°F and 82°F. Set against its neighbours, April runs about 4°F warmer than March and about 3°F cooler than May.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°F)	69	69	69	69	69	69	69	70	70	70	70	70	71	71	71	71	71	72	72	72	73	73	73	73	73	73	74	74	74	74
Avg low (°F)	50	50	50	50	51	51	51	51	51	51	51	51	51	51	51	52	52	52	52	52	53	53	53	53	53	54	54	54	54	54

	Avg high (°F)	Avg low (°F)
1	69	50
2	69	50
3	69	50
4	69	50
5	69	51
6	69	51
7	69	51
8	70	51
9	70	51
10	70	51
11	70	51
12	70	51
13	71	51
14	71	51
15	71	51
16	71	52
17	71	52
18	72	52
19	72	52
20	72	52
21	73	53
22	73	53
23	73	53
24	73	53
25	73	53
26	73	54
27	74	54
28	74	54
29	74	54
30	74	54

Rosemead 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.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Daylight (hours)	Travel score
Jan	64° / 46°	3.3	5.8	10	6.7
Feb	65° / 47°	3.5	6.4	10.7	6.6
Mar	67° / 49°	2.2	5.9	11.7	7.0
Apr	71° / 52°	0.9	3.2	12.8	8.0
May	75° / 56°	0.4	2.1	13.7	8.7
Jun	80° / 60°	0.1	0.4	14.2	8.8
Jul	85° / 64°	0.1	0.4	14	7.1
Aug	87° / 65°	0.0	0.1	13.3	6.5
Sep	85° / 63°	0.1	0.5	12.2	7.2
Oct	79° / 58°	0.6	2.1	11.1	8.6
Nov	71° / 51°	0.8	2.5	10.2	8.2
Dec	64° / 46°	2.2	5	9.8	6.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% 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 30%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	64	65	65	66	66	67	67	67	68	69	69	69	70	70	71	70	71	71	71	71	72	72	72	72	72	72	72	72	72	72
Cloudier (%)	36	35	35	34	34	33	33	33	32	31	31	31	30	30	29	30	29	29	29	29	28	28	28	28	28	28	28	28	28	28

	Clearer (%)	Cloudier (%)
1	64	36
2	65	35
3	65	35
4	66	34
5	66	34
6	67	33
7	67	33
8	67	33
9	68	32
10	69	31
11	69	31
12	69	31
13	70	30
14	70	30
15	71	29
16	70	30
17	71	29
18	71	29
19	71	29
20	71	29
21	72	28
22	72	28
23	72	28
24	72	28
25	72	28
26	72	28
27	72	28
28	72	28
29	72	28
30	72	28

Chance of precipitation in April

Any precipitation

Rosemead gets around 0.9 in of rain over 3.2 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 11% and peaks near 14% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	14	13	13	13	13	13	12	12	12	12	12	12	12	11	11	11	10	10	10	9	9	9	9	8	8	8	8	8	8	8

	Rain chance (%)
1	14
2	13
3	13
4	13
5	13
6	13
7	12
8	12
9	12
10	12
11	12
12	12
13	12
14	11
15	11
16	11
17	10
18	10
19	10
20	9
21	9
22	9
23	9
24	8
25	8
26	8
27	8
28	8
29	8
30	8

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	98	98	98	98	98	98	98	98	98	98	98	98	98	97	97	97	97	97	96	96	96	95	95	95	94	94	94	94	93	93
Comfortable (%)	2	2	2	2	2	2	2	2	2	2	2	2	2	3	3	3	3	3	4	4	4	5	5	5	6	6	6	6	7	7

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	98	2
12	98	2
13	98	2
14	97	3
15	97	3
16	97	3
17	97	3
18	97	3
19	96	4
20	96	4
21	96	4
22	95	5
23	95	5
24	95	5
25	94	6
26	94	6
27	94	6
28	94	6
29	93	7
30	93	7

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (mph)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (mph)	Feels
1	4	calm
2	4	calm
3	4	calm
4	4	calm
5	4	calm
6	4	calm
7	4	calm
8	4	calm
9	4	calm
10	4	calm
11	4	calm
12	4	calm
13	4	calm
14	4	calm
15	4	calm
16	4	calm
17	4	calm
18	4	calm
19	4	calm
20	4	calm
21	4	calm
22	4	calm
23	4	calm
24	4	calm
25	4	calm
26	4	calm
27	4	calm
28	4	calm
29	4	calm
30	4	calm

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 5:47 AM to 5:10 AM, and sunset from 6:06 PM to 6:29 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.3	12.4	12.4	12.4	12.5	12.5	12.5	12.6	12.6	12.6	12.7	12.7	12.7	12.8	12.8	12.8	12.9	12.9	13.0	13.0	13.0	13.1	13.1	13.1	13.2	13.2	13.2	13.2	13.3	13.3
Sunrise (AM)	5:47	5:46	5:45	5:43	5:42	5:40	5:39	5:38	5:36	5:35	5:34	5:32	5:31	5:30	5:28	5:27	5:26	5:24	5:23	5:22	5:21	5:19	5:18	5:17	5:16	5:15	5:14	5:12	5:11	5:10
Sunset (PM)	6:06	6:07	6:08	6:09	6:10	6:10	6:11	6:12	6:13	6:13	6:14	6:15	6:16	6:16	6:17	6:18	6:19	6:20	6:20	6:21	6:22	6:23	6:23	6:24	6:25	6:26	6:27	6:27	6:28	6:29

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.3	5:47	6:06
2	12.4	5:46	6:07
3	12.4	5:45	6:08
4	12.4	5:43	6:09
5	12.5	5:42	6:10
6	12.5	5:40	6:10
7	12.5	5:39	6:11
8	12.6	5:38	6:12
9	12.6	5:36	6:13
10	12.6	5:35	6:13
11	12.7	5:34	6:14
12	12.7	5:32	6:15
13	12.7	5:31	6:16
14	12.8	5:30	6:16
15	12.8	5:28	6:17
16	12.8	5:27	6:18
17	12.9	5:26	6:19
18	12.9	5:24	6:20
19	13.0	5:23	6:20
20	13.0	5:22	6:21
21	13.0	5:21	6:22
22	13.1	5:19	6:23
23	13.1	5:18	6:23
24	13.1	5:17	6:24
25	13.2	5:16	6:25
26	13.2	5:15	6:26
27	13.2	5:14	6:27
28	13.2	5:12	6:27
29	13.3	5:11	6:28
30	13.3	5:10	6:29

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.63 kWh/m².

For context, solar energy here swings from a low near 2.96 kWh/m² to a high of 8.03 kWh/m² in June across the year — April's 6.63 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	6.0	6.1	6.1	6.2	6.2	6.2	6.3	6.3	6.4	6.4	6.5	6.5	6.5	6.6	6.6	6.7	6.7	6.7	6.8	6.8	6.8	6.9	6.9	6.9	7.0	7.0	7.0	7.0	7.1	7.1
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.0	Intense
2	6.1	Intense
3	6.1	Intense
4	6.2	Intense
5	6.2	Intense
6	6.2	Intense
7	6.3	Intense
8	6.3	Intense
9	6.4	Intense
10	6.4	Intense
11	6.5	Intense
12	6.5	Intense
13	6.5	Intense
14	6.6	Intense
15	6.6	Intense
16	6.7	Intense
17	6.7	Intense
18	6.7	Intense
19	6.8	Intense
20	6.8	Intense
21	6.8	Intense
22	6.9	Intense
23	6.9	Intense
24	6.9	Intense
25	7.0	Intense
26	7.0	Intense
27	7.0	Intense
28	7.0	Intense
29	7.1	Intense
30	7.1	Intense

Planning a trip in April

Is April a good time to visit Rosemead?

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

8.0

Sightseeing

5th-best month of the year

5.4

Beach & pool

7th-best month of the year

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

What to pack for Rosemead in April

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

In April, Rosemead sees daytime highs around 71°F and nights near 52°F. Pack sun protection. About 3 days see rain.

sun protection

Sea temperature near Rosemead in April

The nearest coast averages about 59°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 68°F and coldest in February near 59°F.

It's comfortable for a long swim from Aug 4 to Sep 13 — about 1.3 months when the water holds above 68°F.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°F)	59	59	59	59	62	65	67	68	68	66	63	60
Comfort	Bracing	Bracing	Bracing	Cool	Cool	Cool	Cool	Refreshing	Refreshing	Cool	Cool	Cool

	Sea temperature (°F)	Comfort
Jan	59	Bracing
Feb	59	Bracing
Mar	59	Bracing
Apr	59	Cool
May	62	Cool
Jun	65	Cool
Jul	67	Cool
Aug	68	Refreshing
Sep	68	Refreshing
Oct	66	Cool
Nov	63	Cool
Dec	60	Cool

UV index in Rosemead 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 Rosemead peaks around July 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 3 (moderate).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	4	5	5	8	8	11	11	10	8	6	3	3
Level	Moderate	Moderate	Moderate	Very high	Very high	Extreme	Extreme	Extreme	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	4	Moderate
Feb	5	Moderate
Mar	5	Moderate
Apr	8	Very high
May	8	Very high
Jun	11	Extreme
Jul	11	Extreme
Aug	10	Extreme
Sep	8	Very high
Oct	6	High
Nov	3	Moderate
Dec	3	Moderate

Air quality in Rosemead 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 Rosemead is worst in September — around 49 µg/m³ PM2.5 (poor), about 4.0× the cleanest month (May, 12 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	18	19	19	17	12	17	19	32	49	21	21	18
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	18	Moderate
Feb	19	Moderate
Mar	19	Moderate
Apr	17	Moderate
May	12	Moderate
Jun	17	Moderate
Jul	19	Moderate
Aug	32	Moderate
Sep	49	Poor
Oct	21	Moderate
Nov	21	Moderate
Dec	18	Moderate

Location & terrain

Where is Rosemead?

Rosemead sits at 34.1°N, 118.1°W, 318 ft above sea level, in United States. The nearest listed city is Temple City, 1.9 mi away.

Topography around Rosemead

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

Within 2 miles, the terrain around Rosemead has only modest variations in elevation — a maximum elevation change of 236 ft around an average of 322 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,610 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,013 ft.

The land around Rosemead is covered by artificial surfaces (92%) within 2 miles, artificial surfaces (66%) within 10 miles, and artificial surfaces (25%) and water (22%) within 50 miles.

2 miles

236 ft

artificial surfaces 92%

10 miles

5,610 ft

artificial surfaces 66%

50 miles

10,013 ft

artificial surfaces 25%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← March Rosemead year-round climate May →Best places to visit in April

April weather nearby: Temple City 1.9 mi · San Gabriel 1.9 mi · South El Monte 2.5 mi · El Monte 2.5 mi · Monterey Park 3.1 mi · Alhambra 3.1 mi · Arcadia 4.3 mi · South Pasadena 5.0 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

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 Rosemead (34.0806°, -118.0729°, elevation 318 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).

	Avg high (°F)	Avg low (°F)
1	69	50
2	69	50
3	69	50
4	69	50
5	69	51
6	69	51
7	69	51
8	70	51
9	70	51
10	70	51
11	70	51
12	70	51
13	71	51
14	71	51
15	71	51
16	71	52
17	71	52
18	72	52
19	72	52
20	72	52
21	73	53
22	73	53
23	73	53
24	73	53
25	73	53
26	73	54
27	74	54
28	74	54
29	74	54
30	74	54

	Clearer (%)	Cloudier (%)
1	64	36
2	65	35
3	65	35
4	66	34
5	66	34
6	67	33
7	67	33
8	67	33
9	68	32
10	69	31
11	69	31
12	69	31
13	70	30
14	70	30
15	71	29
16	70	30
17	71	29
18	71	29
19	71	29
20	71	29
21	72	28
22	72	28
23	72	28
24	72	28
25	72	28
26	72	28
27	72	28
28	72	28
29	72	28
30	72	28

	Rain chance (%)
1	14
2	13
3	13
4	13
5	13
6	13
7	12
8	12
9	12
10	12
11	12
12	12
13	12
14	11
15	11
16	11
17	10
18	10
19	10
20	9
21	9
22	9
23	9
24	8
25	8
26	8
27	8
28	8
29	8
30	8

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	98	2
12	98	2
13	98	2
14	97	3
15	97	3
16	97	3
17	97	3
18	97	3
19	96	4
20	96	4
21	96	4
22	95	5
23	95	5
24	95	5
25	94	6
26	94	6
27	94	6
28	94	6
29	93	7
30	93	7

	Avg high (°F)	Avg low (°F)
1	69	50
2	69	50
3	69	50
4	69	50
5	69	51
6	69	51
7	69	51
8	70	51
9	70	51
10	70	51
11	70	51
12	70	51
13	71	51
14	71	51
15	71	51
16	71	52
17	71	52
18	72	52
19	72	52
20	72	52
21	73	53
22	73	53
23	73	53
24	73	53
25	73	53
26	73	54
27	74	54
28	74	54
29	74	54
30	74	54

	Clearer (%)	Cloudier (%)
1	64	36
2	65	35
3	65	35
4	66	34
5	66	34
6	67	33
7	67	33
8	67	33
9	68	32
10	69	31
11	69	31
12	69	31
13	70	30
14	70	30
15	71	29
16	70	30
17	71	29
18	71	29
19	71	29
20	71	29
21	72	28
22	72	28
23	72	28
24	72	28
25	72	28
26	72	28
27	72	28
28	72	28
29	72	28
30	72	28

	Rain chance (%)
1	14
2	13
3	13
4	13
5	13
6	13
7	12
8	12
9	12
10	12
11	12
12	12
13	12
14	11
15	11
16	11
17	10
18	10
19	10
20	9
21	9
22	9
23	9
24	8
25	8
26	8
27	8
28	8
29	8
30	8

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	98	2
12	98	2
13	98	2
14	97	3
15	97	3
16	97	3
17	97	3
18	97	3
19	96	4
20	96	4
21	96	4
22	95	5
23	95	5
24	95	5
25	94	6
26	94	6
27	94	6
28	94	6
29	93	7
30	93	7

	Avg high (°F)	Avg low (°F)
1	69	50
2	69	50
3	69	50
4	69	50
5	69	51
6	69	51
7	69	51
8	70	51
9	70	51
10	70	51
11	70	51
12	70	51
13	71	51
14	71	51
15	71	51
16	71	52
17	71	52
18	72	52
19	72	52
20	72	52
21	73	53
22	73	53
23	73	53
24	73	53
25	73	53
26	73	54
27	74	54
28	74	54
29	74	54
30	74	54

	Clearer (%)	Cloudier (%)
1	64	36
2	65	35
3	65	35
4	66	34
5	66	34
6	67	33
7	67	33
8	67	33
9	68	32
10	69	31
11	69	31
12	69	31
13	70	30
14	70	30
15	71	29
16	70	30
17	71	29
18	71	29
19	71	29
20	71	29
21	72	28
22	72	28
23	72	28
24	72	28
25	72	28
26	72	28
27	72	28
28	72	28
29	72	28
30	72	28

	Rain chance (%)
1	14
2	13
3	13
4	13
5	13
6	13
7	12
8	12
9	12
10	12
11	12
12	12
13	12
14	11
15	11
16	11
17	10
18	10
19	10
20	9
21	9
22	9
23	9
24	8
25	8
26	8
27	8
28	8
29	8
30	8

	Dry (%)	Comfortable (%)
1	98	2
2	98	2
3	98	2
4	98	2
5	98	2
6	98	2
7	98	2
8	98	2
9	98	2
10	98	2
11	98	2
12	98	2
13	98	2
14	97	3
15	97	3
16	97	3
17	97	3
18	97	3
19	96	4
20	96	4
21	96	4
22	95	5
23	95	5
24	95	5
25	94	6
26	94	6
27	94	6
28	94	6
29	93	7
30	93	7