Lock Haven, United States experiences average highs of 16°C (61°F) and lows of 7°C (45°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Average highs have cooled by 1.0°C (1.8°F) across the available records.
Lock Haven, United States Weather & Climate 2026
Monthly climate averages for Lock Haven, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Aug At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.2/10
Best: May, June, July, August, September
UV Index
4
Low
Temperature 16°C / 7°C
Feels Like 15°C / 5°C
Rainy Days 11
Rainfall 94 mm
Sunshine 8 h
Humidity 73%
Wind Speed 15 km/h
Dew Point 7°C
Snow Days 7 days
Frost Days 15 days
Hottest Month
29°C
July
Avg Low20°C
Rain12days
Coldest Month
-5°C
January
Avg High3°C
Rain11days
Driest Month
9days
September
Avg High24°C
Avg Low15°C
Windiest Month
19 km/h
March (Gusts 47)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:38
Daylight 15.1h
Sunset 20:45
Live conditions—
Lock Haven on the map · live conditions
Lock Haven, United States
- Continent
- Americas
- Country
- United States
- City
- Lock Haven
- Population
- 9.6K
- Elevation
- 170 m
- Coordinates
- 41.14°, -77.45°
Seasonal Breakdown
Spring
Mar–May
Avg High 16°C
Avg Low 6°C
Rain 13 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 28°C
Avg Low 18°C
Rain 12 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 17°C
Avg Low 9°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 4°C
Avg Low -3°C
Rain 11 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 3°C / -5°C . Feb: 5°C / -3°C . Mar: 10°C / 1°C . Apr: 16°C / 6°C . May: 21°C / 11°C . Jun: 26°C / 16°C . Jul: 29°C / 20°C . Aug: 28°C / 19°C . Sep: 24°C / 15°C . Oct: 18°C / 9°C . Nov: 10°C / 3°C . Dec: 5°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 79 mm. Feb: 86 mm. Mar: 80 mm. Apr: 101 mm. May: 120 mm. Jun: 99 mm. Jul: 103 mm. Aug: 108 mm. Sep: 99 mm. Oct: 102 mm. Nov: 70 mm. Dec: 86 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 72%. Feb: 71%. Mar: 68%. Apr: 69%. May: 76%. Jun: 75%. Jul: 74%. Aug: 74%. Sep: 76%. Oct: 76%. Nov: 73%. Dec: 75%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 18 km/h . Mar: 19 km/h . Apr: 18 km/h . May: 15 km/h . Jun: 14 km/h . Jul: 12 km/h . Aug: 12 km/h . Sep: 13 km/h . Oct: 15 km/h . Nov: 17 km/h . Dec: 17 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 6h. Mar: 8h. Apr: 8h. May: 9h. Jun: 11h. Jul: 12h. Aug: 10h. Sep: 9h. Oct: 7h. Nov: 6h. Dec: 5h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 10 days. Feb: 10 days. Mar: 6 days. Apr: 3 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 4 days. Dec: 10 days.
Climate Trends
Average highs have cooled by 1.0°C (1.8°F) across the available records. Average rainfall is trending wetter by about 9 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 29°C | Jul · 29°C |
| Coldest month | Jan 2025 · -7°C | Jan · -5°C |
| Wettest month | May 2025 · 204 mm | May · 120 mm |
| Windiest month | Mar 2025 · 21 km/h | Mar · 19 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May best
Excellent June best
Excellent July best
Good August best
Excellent September best
Excellent October
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 3°C / -5°C | -2°C / -9°C | 11days (79 mm) Wet | 5.2h Fair | 72% Muggy | 2.1 Moderate | Poor | View Details |
| February | 5°C / -3°C | 2°C / -8°C | 11days (86 mm) Wet | 6.3h Fair | 71% Muggy | 3.1 Moderate | Poor | View Details |
| March | 10°C / 1°C | 7°C / -4°C | 12days (80 mm) Wet | 7.6h Good | 68% Muggy | 4.3 Moderate | Poor | View Details |
| April | 16°C / 6°C | 14°C / 3°C | 12days (101 mm) Wet | 8.4h Good | 69% Muggy | 4.9 Moderate | Fair | View Details |
| May best | 21°C / 11°C | 21°C / 10°C | 14days (120 mm) Wet | 9.2h Good | 76% Humid | 5.8 High | Excellent | View Details |
| June best | 26°C / 16°C | 28°C / 17°C | 13days (99 mm) Wet | 11.1h Excellent | 75% Muggy | 6.5 High | Excellent | View Details |
| July best | 29°C / 20°C | 32°C / 22°C | 12days (103 mm) Wet | 11.5h Excellent | 74% Muggy | 6.9 High | Good | View Details |
| August best | 28°C / 19°C | 30°C / 20°C | 12days (108 mm) Wet | 10.3h Excellent | 74% Muggy | 5.9 High | Excellent | View Details |
| September best | 24°C / 15°C | 25°C / 15°C | 9days (99 mm) Wet | 8.5h Good | 76% Humid | 4.8 Moderate | Excellent | View Details |
| October | 18°C / 9°C | 17°C / 8°C | 10days (102 mm) Wet | 7h Good | 76% Humid | 3.7 Moderate | Good | View Details |
| November | 10°C / 3°C | 7°C / -1°C | 9days (70 mm) Wet | 6.1h Fair | 73% Muggy | 2.5 Moderate | Poor | View Details |
| December | 5°C / -2°C | 1°C / -6°C | 11days (86 mm) Wet | 4.6h Fair | 75% Muggy | 1.7 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Lock Haven are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Lock Haven, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Lock Haven is July, with average daytime highs of 29°C (85°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Lock Haven is January, with average overnight lows of -5°C (24°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Lock Haven is May, averaging 120mm of precipitation across 14 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Lock Haven runs through May, June, March, April, with the heaviest rainfall in May. Based on 10-year averages for Lock Haven.
Lock Haven receives approximately 96 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Lock Haven.
The least favorable months to visit Lock Haven are January, February, March, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Lock Haven is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Lock Haven is 73%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Lock Haven receives snow. Months with snowfall average 7 snow days and 14 cm (6 in) of accumulation, with about 15 frost days during winter.
Average wind speeds in Lock Haven are 15 km/h (9 mph). The windiest month is March with peak winds reaching 19 km/h (12 mph) (gusts up to 47 km/h / 29 mph).
Lock Haven averages 3 clear-sky days per month with overall cloud cover around 65%. The clearest skies occur in October.
The annual average dew point in Lock Haven is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Lock Haven has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Lock Haven ranges from 5°C (41°F) to 15°C (59°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Lock Haven. It earns a climate score of 8.4/10 with Excellent.
For June in Lock Haven, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 26°C (79°F) and 13 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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