Newberg weather in May

In May, Newberg sees average daytime highs of 67°F and overnight lows near 48°F, with 2.4 in of rain across 10 wet days and about 14.6 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 65°F in the first days to 70°F by the end. The sky is clear or mostly clear about 20% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 hours at the start of May to 15 h 12 min by month's end. Set against the rest of the year, May is Newberg's 6th-clearest and 11th-windiest month. For the whole year in context, see Newberg's year-round climate.

Daytime high
67°
5th warmest
Overnight low
48°
8th coldest
Rainfall
2.4 in
10 wet days
Daylight
14 h 42 min
4:48 AM – 7:28 PM
Cloud cover
65%
6th clearest
Wind
5 mph
11th windiest
Solar energy
5.6 kWh/m²
Travel score
6.1
out of 10

Newberg is city in Yamhill County, Oregon, United States.

Density
1,515/km²
people per km²
Founded
1889

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 65°F in the first days to 70°F by the end.

A typical May day in Newberg reaches about 67°F in the afternoon and slips back to 48°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 57°F and 80°F. Set against its neighbours, May runs about 7°F warmer than April and about 6°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16445
26445
36545
46545
56546
66546
76646
86646
96646
106647
116647
126747
136747
146747
156748
166748
176848
186848
196848
206849
216849
226949
236949
246949
256949
266950
277050
287050
297050
307050
317050

How May really feels in Newberg

Once humidity and wind are folded in, May 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
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Newberg weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan47° / 37°6.516.41.18.91.3
Feb51° / 38°4.913.91.210.12.1
Mar55° / 40°5.416.50.411.63.0
Apr60° / 43°4.014.9013.24.2
May67° / 48°2.410014.66.1
Jun73° / 52°1.36.1015.47.3
Jul82° / 57°0.31.8015.17.6
Aug83° / 57°0.42.1013.97.5
Sep76° / 53°1.45.2012.37.8
Oct64° / 46°3.810.8010.75.5
Nov52° / 40°6.516.60.29.32.4
Dec46° / 37°7.6171.58.61.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33862
43862
53862
63862
73961
83961
93961
103961
113862
123862
133664
143664
153664
163565
173565
183565
193565
203565
213565
223565
233565
243565
253664
263664
273763
283763
293961
303862
313862

Chance of precipitation in May

Any precipitation

Newberg gets around 2.4 in of rain over 10 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
237
336
435
534
634
733
833
932
1032
1132
1232
1332
1432
1532
1632
1732
1832
1933
2033
2132
2232
2332
2431
2531
2630
2730
2829
2929
3029
3128

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29820
39820
49820
59820
69820
79820
89820
99820
109820
119730
129730
139730
149730
159730
169730
179640
189640
199640
209640
219640
229640
239541
249451
259451
269451
279451
289451
299451
309451
319451

Wind in May

Winds average 5 mph in May.

Across May, 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.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 hours at the start of May to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 5:08 AM to 4:34 AM, and sunset from 7:10 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:087:10
214.15:077:11
314.15:057:12
414.25:047:14
514.25:027:15
614.35:017:16
714.35:007:17
814.34:587:19
914.44:577:20
1014.44:557:21
1114.54:547:22
1214.54:537:23
1314.64:527:25
1414.64:507:26
1514.64:497:27
1614.74:487:28
1714.74:477:29
1814.74:467:31
1914.84:457:32
2014.84:447:33
2114.94:437:34
2214.94:427:35
2314.94:417:36
2415.04:407:37
2515.04:397:38
2615.04:387:39
2715.14:377:40
2815.14:377:41
2915.14:367:42
3015.14:357:43
3115.24:347:44

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.6 kWh/m².

For context, solar energy here swings from a low near 1.06 kWh/m² to a high of 6.92 kWh/m² in July across the year — May's 5.6 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.4Bright
55.4Bright
65.4Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Hazard calendar for Newberg

In seasonPeak

None of Newberg's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Newberg'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 May a good time to visit Newberg?

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

6.1
Sightseeing
5th-best month of the year
3.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Newberg for sightseeing.

What to pack for Newberg in May

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

In May, Newberg sees daytime highs around 67°F and nights near 48°F. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

UV index in Newberg in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Newberg peaks around July 17 at about 8 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highVery highHighModerateLowJul 17UV 8Dec 17UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May8Very high
Jun7High
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Newberg in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Newberg is worst in September — around 34 µg/m³ PM2.5 (moderate), about 5.1× the cleanest month (January, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1531 µg/m³Jan 167 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar11Good
Apr11Good
May9Good
Jun8Good
Jul7Good
Aug14Moderate
Sep34Moderate
Oct11Good
Nov10Good
Dec8Good
Location & terrain

Where is Newberg?

Newberg sits at 45.3°N, 123.0°W, 177 ft above sea level, in United States. The nearest listed city is Sherwood, 7.5 mi away.

Topography around Newberg

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

Within 2 miles, the terrain around Newberg has only modest variations in elevation — a maximum elevation change of 443 ft around an average of 180 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,647 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,161 ft.

The land around Newberg is covered by trees (46%), grassland (21%) and artificial surfaces (20%) within 2 miles, trees (48%), grassland (24%) and cropland (23%) within 10 miles, and trees (73%) within 50 miles.

2 miles
443 ft
10 miles
1,647 ft
50 miles
5,161 ft
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Sherwood 7.5 mi · Wilsonville 9.9 mi · Tualatin 12 mi · Woodburn 12 mi · McMinnville 12 mi · Tigard 13 mi · Canby 14 mi · Aloha 14 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 Newberg (45.3001°, -122.9732°, elevation 177 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).