Oak Grove weather in April

In April, Oak Grove sees average daytime highs of 60°F and overnight lows near 42°F, with 4.5 in of rain across 16.1 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 57°F in the first days to 63°F by the end. The sky is clear or mostly clear about 14% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 14 hours by month's end. Set against the rest of the year, April is Oak Grove's 8th-clearest and 6th-windiest month. For the whole year in context, see Oak Grove's year-round climate.

Daytime high: 60°; 7th warmest
Overnight low: 42°; 6th coldest
Rainfall: 4.5 in; 16.1 wet days
Daylight: 13 h 18 min; 5:32 AM – 6:49 PM
Cloud cover: 73%; 8th clearest
Wind: 5 mph; 6th windiest
Solar energy: 4.45 kWh/m²
Travel score: 4.0; out of 10

Oak Grove is census-designated place in Clackamas County, Oregon, United States.

Density: 1,548/km²; people per km²

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

← March Oak Grove 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 57°F in the first days to 63°F by the end.

A typical April day in Oak Grove reaches about 60°F in the afternoon and slips back to 42°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 51°F and 71°F. Set against its neighbours, April runs about 5°F warmer than March and about 7°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)	57	57	57	58	58	58	58	58	58	58	59	59	59	59	60	60	60	60	60	61	61	61	62	62	62	62	63	63	63	63
Avg low (°F)	41	41	41	41	41	41	41	42	42	42	42	42	42	42	42	42	43	43	43	43	43	43	43	44	44	44	44	44	44	44

	Avg high (°F)	Avg low (°F)
1	57	41
2	57	41
3	57	41
4	58	41
5	58	41
6	58	41
7	58	41
8	58	42
9	58	42
10	58	42
11	59	42
12	59	42
13	59	42
14	59	42
15	60	42
16	60	42
17	60	43
18	60	43
19	60	43
20	61	43
21	61	43
22	61	43
23	62	43
24	62	44
25	62	44
26	62	44
27	63	44
28	63	44
29	63	44
30	63	44

How April really feels in Oak Grove

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F

heat index over the day's high

Days feeling ≤ 32°F

wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Oak Grove 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.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	47° / 36°	6.6	17.3	1.8	8.9	1.2
Feb	50° / 37°	5.0	14.8	1.5	10.1	2.0
Mar	55° / 39°	5.7	17.5	0.7	11.6	2.8
Apr	60° / 42°	4.5	16.1	0	13.2	4.0
May	67° / 48°	2.8	11.1	0	14.7	5.9
Jun	72° / 52°	1.7	7.6	0	15.4	7.0
Jul	80° / 56°	0.5	2.3	0	15.1	8.0
Aug	81° / 56°	0.6	2.6	0	13.9	7.9
Sep	75° / 52°	1.6	6.2	0	12.3	7.7
Oct	63° / 46°	4.2	11.9	0	10.7	5.2
Nov	52° / 40°	6.9	17.3	0.4	9.3	2.2
Dec	46° / 36°	7.6	18	2.2	8.6	0.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 74%.

	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 (%)	24	24	23	23	23	22	21	21	21	21	21	22	23	24	25	25	26	27	27	28	28	28	30	30	30	32	32	33	33	34
Cloudier (%)	76	76	77	77	77	78	79	79	79	79	79	78	77	76	75	75	74	73	73	72	72	72	70	70	70	68	68	67	67	66

	Clearer (%)	Cloudier (%)
1	24	76
2	24	76
3	23	77
4	23	77
5	23	77
6	22	78
7	21	79
8	21	79
9	21	79
10	21	79
11	21	79
12	22	78
13	23	77
14	24	76
15	25	75
16	25	75
17	26	74
18	27	73
19	27	73
20	28	72
21	28	72
22	28	72
23	30	70
24	30	70
25	30	70
26	32	68
27	32	68
28	33	67
29	33	67
30	34	66

Chance of precipitation in April

Any precipitation

Oak Grove gets around 4.5 in of rain over 16.1 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 54% and peaks near 59% on the wettest days. The odds ease toward the end of the month.

	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 (%)	58	58	58	58	58	59	59	59	59	59	59	58	57	56	55	55	54	53	52	51	50	49	48	48	47	47	47	46	46	45

	Rain chance (%)
1	58
2	58
3	58
4	58
5	58
6	59
7	59
8	59
9	59
10	59
11	59
12	58
13	57
14	56
15	55
16	55
17	54
18	53
19	52
20	51
21	50
22	49
23	48
24	48
25	47
26	47
27	47
28	46
29	46
30	45

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 99% 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 (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	99	99	99	99	99	99	99	98	98	98	98
Comfortable (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	2	2	2	2

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	98	2
28	98	2
29	98	2
30	98	2

Wind in April

Winds average 5 mph in April.

Across April, daily wind ranges from about 5 mph on the calmest days to 5 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)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
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	5	calm
2	5	calm
3	5	calm
4	5	calm
5	5	calm
6	5	calm
7	5	calm
8	5	calm
9	5	calm
10	5	calm
11	5	calm
12	5	calm
13	5	calm
14	5	calm
15	5	calm
16	5	calm
17	5	calm
18	5	calm
19	5	calm
20	5	calm
21	5	calm
22	5	calm
23	5	calm
24	5	calm
25	5	calm
26	5	calm
27	5	calm
28	5	calm
29	5	calm
30	5	calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over April. Sunrise moves from 6:01 AM to 5:08 AM, and sunset from 6:30 PM to 7:07 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)	12.5	12.5	12.6	12.6	12.7	12.7	12.8	12.9	12.9	13.0	13.0	13.1	13.1	13.2	13.2	13.3	13.3	13.4	13.4	13.5	13.5	13.6	13.6	13.7	13.7	13.8	13.8	13.9	13.9	14.0
Sunrise (AM)	6:01	5:59	5:57	5:55	5:53	5:51	5:49	5:47	5:45	5:44	5:42	5:40	5:38	5:36	5:34	5:32	5:31	5:29	5:27	5:25	5:24	5:22	5:20	5:18	5:17	5:15	5:13	5:12	5:10	5:08
Sunset (PM)	6:30	6:31	6:32	6:33	6:35	6:36	6:37	6:39	6:40	6:41	6:43	6:44	6:45	6:47	6:48	6:49	6:50	6:52	6:53	6:54	6:56	6:57	6:58	7:00	7:01	7:02	7:03	7:05	7:06	7:07

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.5	6:01	6:30
2	12.5	5:59	6:31
3	12.6	5:57	6:32
4	12.6	5:55	6:33
5	12.7	5:53	6:35
6	12.7	5:51	6:36
7	12.8	5:49	6:37
8	12.9	5:47	6:39
9	12.9	5:45	6:40
10	13.0	5:44	6:41
11	13.0	5:42	6:43
12	13.1	5:40	6:44
13	13.1	5:38	6:45
14	13.2	5:36	6:47
15	13.2	5:34	6:48
16	13.3	5:32	6:49
17	13.3	5:31	6:50
18	13.4	5:29	6:52
19	13.4	5:27	6:53
20	13.5	5:25	6:54
21	13.5	5:24	6:56
22	13.6	5:22	6:57
23	13.6	5:20	6:58
24	13.7	5:18	7:00
25	13.7	5:17	7:01
26	13.8	5:15	7:02
27	13.8	5:13	7:03
28	13.9	5:12	7:05
29	13.9	5:10	7:06
30	14.0	5:08	7:07

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.45 kWh/m².

For context, solar energy here swings from a low near 1.02 kWh/m² to a high of 6.83 kWh/m² in July across the year — April's 4.45 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)	3.8	3.9	3.9	3.9	4.0	4.0	4.0	4.1	4.1	4.2	4.2	4.3	4.3	4.4	4.4	4.5	4.5	4.6	4.6	4.7	4.7	4.8	4.8	4.9	4.9	5.0	5.0	5.1	5.1	5.2
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.8	Moderate
2	3.9	Moderate
3	3.9	Moderate
4	3.9	Moderate
5	4.0	Moderate
6	4.0	Bright
7	4.0	Bright
8	4.1	Bright
9	4.1	Bright
10	4.2	Bright
11	4.2	Bright
12	4.3	Bright
13	4.3	Bright
14	4.4	Bright
15	4.4	Bright
16	4.5	Bright
17	4.5	Bright
18	4.6	Bright
19	4.6	Bright
20	4.7	Bright
21	4.7	Bright
22	4.8	Bright
23	4.8	Bright
24	4.9	Bright
25	4.9	Bright
26	5.0	Bright
27	5.0	Bright
28	5.1	Bright
29	5.1	Bright
30	5.2	Bright

Planning a trip in April

Hazard calendar for Oak Grove

In seasonPeak

In April, Oak Grove sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Oak Grove's rainy season runs October–April, 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 Oak Grove?

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

4.0

Sightseeing

7th-best month of the year

0.5

Beach & pool

7th-best month of the year

April is a reasonable time to visit Oak Grove for sightseeing.

What to pack for Oak Grove in April

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

In April, Oak Grove sees daytime highs around 60°F and nights near 42°F. Pack rain gear. Worth having: a warm layer. About 16 days see rain.

rain geara warm layer

UV index in Oak Grove in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oak Grove peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	2	4	5	8	7	8	7	4	3	1	1
Level	Low	Low	Moderate	Moderate	Very high	High	Very high	High	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Low
Mar	4	Moderate
Apr	5	Moderate
May	8	Very high
Jun	7	High
Jul	8	Very high
Aug	7	High
Sep	4	Moderate
Oct	3	Moderate
Nov	1	Low
Dec	1	Low

Air quality in Oak Grove 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 Oak Grove is worst in September — around 22 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (January, 7 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)	7	9	11	11	10	9	8	13	22	14	9	7
Level	Good	Good	Good	Good	Good	Good	Good	Moderate	Moderate	Moderate	Good	Good

	PM2.5 (µg/m³)	Level
Jan	7	Good
Feb	9	Good
Mar	11	Good
Apr	11	Good
May	10	Good
Jun	9	Good
Jul	8	Good
Aug	13	Moderate
Sep	22	Moderate
Oct	14	Moderate
Nov	9	Good
Dec	7	Good

Location & terrain

Where is Oak Grove?

Oak Grove sits at 45.4°N, 122.6°W, 180 ft above sea level, in United States. The nearest listed city is Lake Oswego, 1.2 mi away.

Topography around Oak Grove

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

Within 2 miles, the terrain around Oak Grove has only modest variations in elevation — a maximum elevation change of 758 ft around an average of 180 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,306 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,093 ft.

The land around Oak Grove is covered by trees (71%) within 2 miles, trees (63%) and artificial surfaces (20%) within 10 miles, and trees (77%) within 50 miles.

2 miles

758 ft

trees 71%

10 miles

1,306 ft

trees 63%

50 miles

11,093 ft

trees 77%

treesgrasslandcroplandartificial surfaceswater

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

April weather nearby: Lake Oswego 1.2 mi · Milwaukie 1.9 mi · West Linn 3.7 mi · Oregon City 4.3 mi · Lents 5.6 mi · Happy Valley 5.6 mi · Tualatin 6.2 mi · Tigard 6.2 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 Oak Grove (45.4168°, -122.6401°, elevation 180 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. 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	57	41
2	57	41
3	57	41
4	58	41
5	58	41
6	58	41
7	58	41
8	58	42
9	58	42
10	58	42
11	59	42
12	59	42
13	59	42
14	59	42
15	60	42
16	60	42
17	60	43
18	60	43
19	60	43
20	61	43
21	61	43
22	61	43
23	62	43
24	62	44
25	62	44
26	62	44
27	63	44
28	63	44
29	63	44
30	63	44

	Clearer (%)	Cloudier (%)
1	24	76
2	24	76
3	23	77
4	23	77
5	23	77
6	22	78
7	21	79
8	21	79
9	21	79
10	21	79
11	21	79
12	22	78
13	23	77
14	24	76
15	25	75
16	25	75
17	26	74
18	27	73
19	27	73
20	28	72
21	28	72
22	28	72
23	30	70
24	30	70
25	30	70
26	32	68
27	32	68
28	33	67
29	33	67
30	34	66

	Rain chance (%)
1	58
2	58
3	58
4	58
5	58
6	59
7	59
8	59
9	59
10	59
11	59
12	58
13	57
14	56
15	55
16	55
17	54
18	53
19	52
20	51
21	50
22	49
23	48
24	48
25	47
26	47
27	47
28	46
29	46
30	45

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	98	2
28	98	2
29	98	2
30	98	2

	Avg high (°F)	Avg low (°F)
1	57	41
2	57	41
3	57	41
4	58	41
5	58	41
6	58	41
7	58	41
8	58	42
9	58	42
10	58	42
11	59	42
12	59	42
13	59	42
14	59	42
15	60	42
16	60	42
17	60	43
18	60	43
19	60	43
20	61	43
21	61	43
22	61	43
23	62	43
24	62	44
25	62	44
26	62	44
27	63	44
28	63	44
29	63	44
30	63	44

	Clearer (%)	Cloudier (%)
1	24	76
2	24	76
3	23	77
4	23	77
5	23	77
6	22	78
7	21	79
8	21	79
9	21	79
10	21	79
11	21	79
12	22	78
13	23	77
14	24	76
15	25	75
16	25	75
17	26	74
18	27	73
19	27	73
20	28	72
21	28	72
22	28	72
23	30	70
24	30	70
25	30	70
26	32	68
27	32	68
28	33	67
29	33	67
30	34	66

	Rain chance (%)
1	58
2	58
3	58
4	58
5	58
6	59
7	59
8	59
9	59
10	59
11	59
12	58
13	57
14	56
15	55
16	55
17	54
18	53
19	52
20	51
21	50
22	49
23	48
24	48
25	47
26	47
27	47
28	46
29	46
30	45

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	98	2
28	98	2
29	98	2
30	98	2

	Avg high (°F)	Avg low (°F)
1	57	41
2	57	41
3	57	41
4	58	41
5	58	41
6	58	41
7	58	41
8	58	42
9	58	42
10	58	42
11	59	42
12	59	42
13	59	42
14	59	42
15	60	42
16	60	42
17	60	43
18	60	43
19	60	43
20	61	43
21	61	43
22	61	43
23	62	43
24	62	44
25	62	44
26	62	44
27	63	44
28	63	44
29	63	44
30	63	44

	Clearer (%)	Cloudier (%)
1	24	76
2	24	76
3	23	77
4	23	77
5	23	77
6	22	78
7	21	79
8	21	79
9	21	79
10	21	79
11	21	79
12	22	78
13	23	77
14	24	76
15	25	75
16	25	75
17	26	74
18	27	73
19	27	73
20	28	72
21	28	72
22	28	72
23	30	70
24	30	70
25	30	70
26	32	68
27	32	68
28	33	67
29	33	67
30	34	66

	Rain chance (%)
1	58
2	58
3	58
4	58
5	58
6	59
7	59
8	59
9	59
10	59
11	59
12	58
13	57
14	56
15	55
16	55
17	54
18	53
19	52
20	51
21	50
22	49
23	48
24	48
25	47
26	47
27	47
28	46
29	46
30	45

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	98	2
28	98	2
29	98	2
30	98	2