Grants Pass weather in March

In March, Grants Pass sees average daytime highs of 55°F and overnight lows near 36°F, with 4.6 in of precipitation across 14.7 wet days and about 11.6 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 53°F in the first days to 57°F by the end. The sky is clear or mostly clear about 17% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Grants Pass's 9th-clearest and 7th-windiest month. For the whole year in context, see Grants Pass's year-round climate.

Daytime high
55°
8th warmest
Overnight low
36°
5th coldest
Precipitation
4.6 in
14.7 wet days
Daylight
11 h 36 min
6:34 AM – 6:12 PM
Cloud cover
70%
9th clearest
Wind
3 mph
7th windiest
Solar energy
3.8 kWh/m²
Travel score
3.2
out of 10

Grants Pass is city in and county seat of Josephine County, Oregon, United States.

Density
1,235/km²
people per km²
Founded
1865

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 53°F in the first days to 57°F by the end.

A typical March day in Grants Pass reaches about 55°F in the afternoon and slips back to 36°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 45°F and 67°F. Set against its neighbours, March runs about 5°F warmer than February and about 5°F cooler than April.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
15234
25335
35335
45335
55335
65435
75435
85435
95436
105536
115536
125536
135536
145536
155637
165637
175637
185637
195637
205637
215637
225637
235637
245637
255637
265637
275637
285637
295737
305737
315737

How March really feels in Grants Pass

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 2 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
2
wind chill below the day's low

The story in March is cold — wind chill drags the overnight "feels like" below the raw low.

Grants Pass weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan47° / 32°5.214.249.21.3
Feb51° / 34°4.212.73.510.32.2
Mar55° / 36°4.614.72.811.63.2
Apr60° / 39°3.213.11.513.14.4
May68° / 45°2.39.3014.46.5
Jun75° / 50°1.04.30158.0
Jul85° / 56°0.31.4014.86.9
Aug85° / 55°0.41.6013.76.8
Sep79° / 51°0.73012.38.3
Oct66° / 43°2.17010.86.7
Nov52° / 36°4.5131.69.62.6
Dec45° / 32°6.714.74.48.90.9

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23169
33169
43169
53268
63169
73169
83169
93169
103169
113268
123367
133268
143268
153268
163169
173070
183070
193070
203169
213169
223169
233070
243070
253070
263070
273169
283169
293169
303169
313169

Chance of precipitation in March

Any precipitationSnow

Grants Pass gets around 4.6 in of rain and snow over 14.7 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 47% and peaks near 48% on the wettest days, and about 3 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14814
24813
34813
44712
54712
64611
74611
84611
94510
104510
114510
12459
13459
14458
15458
16468
17468
18478
19478
20488
21488
22488
23488
24488
25488
26478
27479
28479
29479
30479
31479

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March 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%151015202531
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
31100

Wind in March

Winds average 3 mph in March.

Across March, daily wind ranges from about 3 mph on the calmest days to 3 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 54 min at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over March. Sunrise moves from 6:59 AM to 6:07 AM, and sunset from 5:54 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:595:54
211.06:575:55
311.06:565:57
411.16:545:58
511.16:525:59
611.26:516:00
711.26:496:02
811.36:476:03
911.36:466:04
1011.46:446:05
1111.46:426:06
1211.46:416:08
1311.56:396:09
1411.56:376:10
1511.66:356:11
1611.66:346:12
1711.76:326:13
1811.76:306:15
1911.86:286:16
2011.86:276:17
2111.96:256:18
2211.96:236:19
2312.06:216:20
2412.06:196:22
2512.16:186:23
2612.16:166:24
2712.26:146:25
2812.26:126:26
2912.36:106:27
3012.36:096:29
3112.46:076:30

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.8 kWh/m².

For context, solar energy here swings from a low near 1.47 kWh/m² to a high of 7.8 kWh/m² in July across the year — March's 3.8 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.2Moderate
33.2Moderate
43.3Moderate
53.3Moderate
63.4Moderate
73.4Moderate
83.5Moderate
93.5Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.7Moderate
143.7Moderate
153.8Moderate
163.8Moderate
173.9Moderate
183.9Moderate
193.9Moderate
204.0Moderate
214.0Bright
224.0Bright
234.1Bright
244.1Bright
254.2Bright
264.2Bright
274.3Bright
284.3Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in March

Hazard calendar for Grants Pass

In seasonPeak

In March, Grants Pass sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Grants Pass's rainy season runs November–April, when most of the year's rain falls.

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

Is March a good time to visit Grants Pass?

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

3.2
Sightseeing
8th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Grants Pass.

What to pack for Grants Pass in March

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

In March, Grants Pass sees daytime highs around 55°F and nights near 36°F. Pack rain gear. Worth having: a warm layer. About 15 days see rain.

rain geara warm layer

UV index in Grants Pass in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 Grants Pass peaks around July 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 12UV 9Dec 17UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar5Moderate
Apr6High
May9Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep5High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Grants Pass in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Grants Pass is worst in September — around 56 µg/m³ PM2.5 (unhealthy), about 10.4× the cleanest month (January, 5 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1452 µg/m³Jan 216 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb7Good
Mar8Good
Apr9Good
May8Good
Jun7Good
Jul15Moderate
Aug32Moderate
Sep56Unhealthy
Oct9Good
Nov14Moderate
Dec14Moderate
Location & terrain

Where is Grants Pass?

Grants Pass sits at 42.4°N, 123.3°W, 945 ft above sea level, in United States. The nearest listed city is Central Point, 22 mi away.

Topography around Grants Pass

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

Within 2 miles, the terrain around Grants Pass has significant variations in elevation — a maximum elevation change of 1,247 ft around an average of 1,063 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,776 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,421 ft.

The land around Grants Pass is covered by artificial surfaces (43%) and trees (41%) within 2 miles, trees (85%) within 10 miles, and trees (89%) within 50 miles.

2 miles
1,247 ft
10 miles
3,776 ft
50 miles
7,421 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Central Point 22 mi · Medford 24 mi · Ashland 36 mi · Roseburg 53 mi · Coos Bay 78 mi · Klamath Falls 81 mi · Altamont 83 mi · McKinleyville 111 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 Grants Pass (42.4393°, -123.3307°, elevation 945 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).