Gresham, United States — Weather in June 2026

Monthly climate averages for Gresham, United States. Based on 10-year ERA5 reanalysis data.

Csa Hot-Summer Mediterranean
8.3 /10
Excellent

June is an excellent month in Gresham

Climate Overview

Gresham, United States in June has warm conditions, with highs averaging 23.5°C (74°F). Temperatures drop noticeably between day and night.

This month falls at the beginning of Summer.

Daily highs in June gradually rise from around 23°C (73°F) at the start to 27°C (80°F) by month's end.

Rainfall is heaviest during the first third of the month, while the last third tends to be drier.

Expect around 11.7h of sunshine at the start of June, increasing to 13.3h by the end.

The warmest days tend to fall around the 27th, averaging 27°C (81°F).

Compared to May, this month is about 4°C warmer with 2 fewer rainy days. Temperatures will rise further into July.

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Monthly June Averages

Temperature
24°C / 12°C
Feels Like
23°C / 11°C
Rain
9 days · 61 mm
Sunshine
12.1h / day
Humidity
69% — Humid
Wind
12 km/h
Wind Direction
WNW (291°)
Gusts
33 km/h
Daylight
15.6 h
Cloud Cover
52%
Clear Sky Days
6.4
UV Index
6.7 — High
Dew Point
12°C — Comfortable
Moon Phase
New Moon · 0%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

32°C 28°C 24°C 20°C 16°C 12°C 8°C 4°C 151015202530
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 151015202530
Rainfall

Daily Sunshine

0h 4h 8h 12h 16h 151015202530
Sunshine

Daily Wind Speed

0 4 8 12 16 20 151015202530
Wind Speed
Sun Position
Sunrise 05:22
Daylight 15.7h
Sunset 21:01

What to Expect

Daytime temperatures around 24°C (74°F) are ideal for full-day outdoor exploration.

Rain usually comes in shorter passing showers rather than all-day rain.

3 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January
Wet
Temp
8°C / 2°C
Feels Like
5°C / -2°C
Rain
19days (224 mm) Wet
Sun
4.4h Fair
Humidity
86% Very Muggy
UV
1.6 Low
Snow Days
5days
View Details
February
Wet
Temp
8°C / 1°C
Feels Like
6°C / -2°C
Rain
18days (193 mm) Wet
Sun
5.5h Fair
Humidity
85% Humid
UV
2.3 Moderate
Snow Days
8days
View Details
March
Wet
Temp
12°C / 3°C
Feels Like
9°C / -1°C
Rain
20days (174 mm) Wet
Sun
7.4h Good
Humidity
83% Humid
UV
3.7 Moderate
Snow Days
5days
View Details
April
Fair
Temp
16°C / 5°C
Feels Like
14°C / 2°C
Rain
16days (138 mm) Wet
Sun
9.1h Good
Humidity
77% Humid
UV
5.4 High
Snow Days
2days
View Details
May
Good
Temp
20°C / 9°C
Feels Like
19°C / 7°C
Rain
11days (75 mm) Wet
Sun
10.8h Excellent
Humidity
73% Muggy
UV
6.1 High
View Details
June best
Excellent
Temp
24°C / 12°C
Feels Like
23°C / 11°C
Rain
9days (61 mm) Wet
Sun
12.1h Excellent
Humidity
69% Muggy
UV
6.7 High
View Details
July best
Excellent
Temp
28°C / 14°C
Feels Like
28°C / 14°C
Rain
2days (6 mm) Excellent
Sun
13.2h Excellent
Humidity
60% Moderate
UV
7.3 Very High
View Details
August best
Excellent
Temp
29°C / 15°C
Feels Like
29°C / 15°C
Rain
2days (11 mm) Excellent
Sun
11.9h Excellent
Humidity
59% Moderate
UV
6.4 High
View Details
September best
Excellent
Temp
25°C / 12°C
Feels Like
24°C / 12°C
Rain
8days (58 mm) Wet
Sun
9.9h Good
Humidity
68% Muggy
UV
5 Moderate
View Details
October
Good
Temp
17°C / 8°C
Feels Like
16°C / 6°C
Rain
14days (163 mm) Wet
Sun
7.2h Good
Humidity
79% Humid
UV
3.2 Moderate
View Details
November
Wet
Temp
11°C / 5°C
Feels Like
9°C / 2°C
Rain
18days (218 mm) Wet
Sun
5.2h Fair
Humidity
86% Very Muggy
UV
1.9 Low
Snow Days
1days
View Details
December
Wet
Temp
8°C / 2°C
Feels Like
5°C / -1°C
Rain
20days (258 mm) Wet
Sun
4h Fair
Humidity
88% Very Muggy
UV
1.2 Low
Snow Days
5days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 8°C / 2°C 5°C / -2°C 19days (224 mm) Wet 4.4h Fair 86% Very Muggy 1.6 Low Wet View Details
February 8°C / 1°C 6°C / -2°C 18days (193 mm) Wet 5.5h Fair 85% Humid 2.3 Moderate Wet View Details
March 12°C / 3°C 9°C / -1°C 20days (174 mm) Wet 7.4h Good 83% Humid 3.7 Moderate Wet View Details
April 16°C / 5°C 14°C / 2°C 16days (138 mm) Wet 9.1h Good 77% Humid 5.4 High Fair View Details
May 20°C / 9°C 19°C / 7°C 11days (75 mm) Wet 10.8h Excellent 73% Muggy 6.1 High Good View Details
June best 24°C / 12°C 23°C / 11°C 9days (61 mm) Wet 12.1h Excellent 69% Muggy 6.7 High Excellent View Details
July best 28°C / 14°C 28°C / 14°C 2days (6 mm) Excellent 13.2h Excellent 60% Moderate 7.3 Very High Excellent View Details
August best 29°C / 15°C 29°C / 15°C 2days (11 mm) Excellent 11.9h Excellent 59% Moderate 6.4 High Excellent View Details
September best 25°C / 12°C 24°C / 12°C 8days (58 mm) Wet 9.9h Good 68% Muggy 5 Moderate Excellent View Details
October 17°C / 8°C 16°C / 6°C 14days (163 mm) Wet 7.2h Good 79% Humid 3.2 Moderate Good View Details
November 11°C / 5°C 9°C / 2°C 18days (218 mm) Wet 5.2h Fair 86% Very Muggy 1.9 Low Wet View Details
December 8°C / 2°C 5°C / -1°C 20days (258 mm) Wet 4h Fair 88% Very Muggy 1.2 Low Wet View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Warm evening layerUmbrellaSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

June is typically excellent for visiting Gresham, with average highs of 24°C (74°F) and around 9 rainy days. Gresham, United States in June has warm conditions, with highs averaging 23.5°C (74°F). Temperatures drop noticeably bet
Gresham typically sees around 9 rainy days in June with 61 mm (2.4 in) of total rainfall. An umbrella should suffice.
Nights in Gresham during June are cool at around 12°C (53°F). Bring a jacket or sweater for evenings.
With highs of 24°C (74°F) and lows of 12°C (53°F) in June, we recommend: Warm evening layer, Umbrella, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.
Yes, June offers some of the best weather conditions in Gresham with comfortable temperatures and lower chances of rain.
The average UV index in Gresham during June is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.
Gresham gets approximately 16 hours of daylight per day in June, with around 12 hours of sunshine.
Snow is uncommon in Gresham during June based on 10-year climate averages.

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