Olean, United States — Weather in June 2026

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

Dfb Warm-Summer Continental
8.4 /10
Excellent

June is an excellent month in Olean

Climate Overview

Olean, United States in June has warm conditions, with highs averaging 23.6°C (74°F). Rain falls on about 13 days this month.

This month falls at the beginning of Summer.

Daily highs in June gradually rise from around 22°C (72°F) at the start to 25°C (77°F) by month's end.

June sees fairly even rainfall, totalling about 104 mm across the month.

Expect around 10.9h of sunshine at the start of June, increasing to 11.5h by the end.

The warmest days tend to fall around the 30th, averaging 25.5°C (78°F).

Compared to May, this month is about 5°C warmer with 2 fewer rainy days. Temperatures will rise further into July.

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Monthly June Averages

Temperature
24°C / 14°C
Feels Like
24°C / 14°C
Rain
13 days · 103 mm
Sunshine
11.1h / day
Humidity
75% — Humid
Wind
15 km/h
Wind Direction
WSW (242°)
Gusts
39 km/h
Daylight
15.2 h
Cloud Cover
59%
Clear Sky Days
3.4
UV Index
6.7 — High
Dew Point
15°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 151015202530
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 8 mm 151015202530
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202530
Sunshine

Daily Wind Speed

0 5 10 15 20 25 151015202530
Wind Speed
Sun Position
Sunrise 05:39
Daylight 15.2h
Sunset 20:52

What to Expect

Daytime temperatures around 24°C (74°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

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

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

Compare Months

January
Poor
Temp
0°C / -7°C
Feels Like
-4°C / -12°C
Rain
15days (87 mm) Wet
Sun
4.5h Fair
Humidity
78% Humid
UV
1.9 Low
Snow Days
18days
View Details
February
Poor
Temp
3°C / -6°C
Feels Like
-2°C / -11°C
Rain
13days (87 mm) Wet
Sun
5.8h Fair
Humidity
75% Muggy
UV
3 Moderate
Snow Days
14days
View Details
March
Poor
Temp
7°C / -2°C
Feels Like
4°C / -7°C
Rain
13days (90 mm) Wet
Sun
7.3h Good
Humidity
70% Muggy
UV
4.2 Moderate
Snow Days
11days
View Details
April
Poor
Temp
13°C / 3°C
Feels Like
11°C / 0°C
Rain
15days (114 mm) Wet
Sun
8.4h Good
Humidity
70% Muggy
UV
4.8 Moderate
Snow Days
7days
View Details
May
Good
Temp
19°C / 10°C
Feels Like
18°C / 8°C
Rain
15days (112 mm) Wet
Sun
9.6h Good
Humidity
75% Muggy
UV
5.8 High
Snow Days
1days
View Details
June best
Excellent
Temp
24°C / 14°C
Feels Like
24°C / 14°C
Rain
13days (103 mm) Wet
Sun
11.1h Excellent
Humidity
75% Muggy
UV
6.7 High
View Details
July best
Excellent
Temp
26°C / 17°C
Feels Like
28°C / 18°C
Rain
14days (91 mm) Wet
Sun
11.3h Excellent
Humidity
76% Humid
UV
6.9 High
View Details
August best
Excellent
Temp
25°C / 17°C
Feels Like
26°C / 17°C
Rain
13days (101 mm) Wet
Sun
10.4h Excellent
Humidity
77% Humid
UV
5.9 High
View Details
September best
Excellent
Temp
22°C / 13°C
Feels Like
22°C / 13°C
Rain
9days (84 mm) Wet
Sun
8.8h Good
Humidity
78% Humid
UV
5 Moderate
View Details
October
Fair
Temp
16°C / 8°C
Feels Like
14°C / 5°C
Rain
12days (104 mm) Wet
Sun
6.9h Fair
Humidity
78% Humid
UV
3.4 Moderate
Snow Days
1days
View Details
November
Poor
Temp
8°C / 1°C
Feels Like
4°C / -3°C
Rain
13days (81 mm) Wet
Sun
5.3h Fair
Humidity
77% Humid
UV
2.2 Moderate
Snow Days
9days
View Details
December
Poor
Temp
2°C / -4°C
Feels Like
-2°C / -9°C
Rain
15days (85 mm) Wet
Sun
3.9h Poor
Humidity
79% Humid
UV
1.6 Low
Snow Days
16days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 0°C / -7°C -4°C / -12°C 15days (87 mm) Wet 4.5h Fair 78% Humid 1.9 Low Poor View Details
February 3°C / -6°C -2°C / -11°C 13days (87 mm) Wet 5.8h Fair 75% Muggy 3 Moderate Poor View Details
March 7°C / -2°C 4°C / -7°C 13days (90 mm) Wet 7.3h Good 70% Muggy 4.2 Moderate Poor View Details
April 13°C / 3°C 11°C / 0°C 15days (114 mm) Wet 8.4h Good 70% Muggy 4.8 Moderate Poor View Details
May 19°C / 10°C 18°C / 8°C 15days (112 mm) Wet 9.6h Good 75% Muggy 5.8 High Good View Details
June best 24°C / 14°C 24°C / 14°C 13days (103 mm) Wet 11.1h Excellent 75% Muggy 6.7 High Excellent View Details
July best 26°C / 17°C 28°C / 18°C 14days (91 mm) Wet 11.3h Excellent 76% Humid 6.9 High Excellent View Details
August best 25°C / 17°C 26°C / 17°C 13days (101 mm) Wet 10.4h Excellent 77% Humid 5.9 High Excellent View Details
September best 22°C / 13°C 22°C / 13°C 9days (84 mm) Wet 8.8h Good 78% Humid 5 Moderate Excellent View Details
October 16°C / 8°C 14°C / 5°C 12days (104 mm) Wet 6.9h Fair 78% Humid 3.4 Moderate Fair View Details
November 8°C / 1°C 4°C / -3°C 13days (81 mm) Wet 5.3h Fair 77% Humid 2.2 Moderate Poor View Details
December 2°C / -4°C -2°C / -9°C 15days (85 mm) Wet 3.9h Poor 79% Humid 1.6 Low Poor View Details

What to Wear

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

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

Packing List

UmbrellaWaterproof jacketSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

June is typically excellent for visiting Olean, with average highs of 24°C (74°F) and around 13 rainy days. Olean, United States in June has warm conditions, with highs averaging 23.6°C (74°F). Rain falls on about 13 days this m
Olean typically sees around 13 rainy days in June with 103 mm (4.1 in) of total rainfall. Pack a waterproof jacket.
Evenings in Olean during June are mild at 14°C (58°F). A light cardigan is usually enough.
With highs of 24°C (74°F) and lows of 14°C (58°F) in June, we recommend: Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.
Yes, June offers some of the best weather conditions in Olean with comfortable temperatures and lower chances of rain.
The average UV index in Olean during June is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.
Olean gets approximately 15 hours of daylight per day in June, with around 11 hours of sunshine.
Snow is uncommon in Olean during June based on 10-year climate averages.

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