Rocky River in Spring
In spring (March, April and May), Rocky River sees average daytime highs around 55°F and overnight lows near 41°F, with 11.2 in of precipitation over about 39 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 39°F in early March to 72°F by late May. The sky is clear or mostly clear about 24% of the time across spring, and the air most often feels dry.
Spring is Rocky River's 3rd-best season to visit on our travel score. For the whole year in context, see Rocky River's year-round climate.
- Avg daytime high
- 55°F
- 3rd-warmest season
- Avg overnight low
- 41°F
- Precipitation
- 11.2 in
- 39 wet days
- Avg wind
- 10 mph
- Travel score
- 3.2
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Rocky River in Spring
Over the season highs climb from about 39°F in early March to 72°F by late May.
A typical spring day in Rocky River reaches about 55°F and drops to 41°F overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Rocky River
Once humidity and wind are folded in, spring brings about 0 days that feel above 90°F and 39 that feel at or below 32°F.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Rocky River weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 34° / 22° | 3.2 | 12.9 | 10.2 | 9.3 | 0.0 |
| Feb | 35° / 23° | 2.5 | 10.3 | 7 | 10.3 | 0.0 |
| Mar | 43° / 30° | 3.3 | 11.8 | 4.8 | 11.7 | 0.7 |
| Apr | 56° / 41° | 4.1 | 13.7 | 1.5 | 13.1 | 3.4 |
| May | 67° / 53° | 3.8 | 13.6 | 0 | 14.3 | 5.6 |
| Jun | 77° / 63° | 4.4 | 13.2 | 0 | 14.9 | 6.3 |
| Jul | 80° / 68° | 3.9 | 12.1 | 0 | 14.7 | 6.3 |
| Aug | 78° / 66° | 3.5 | 11.7 | 0 | 13.7 | 6.6 |
| Sep | 72° / 59° | 3.4 | 10.5 | 0 | 12.3 | 6.7 |
| Oct | 61° / 48° | 3.4 | 11.8 | 0.1 | 10.9 | 4.8 |
| Nov | 49° / 38° | 3.4 | 12.4 | 3.1 | 9.7 | 1.8 |
| Dec | 38° / 29° | 3.2 | 12.5 | 7.2 | 9.1 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 24% of the time across spring.
Chance of precipitation in Spring
Rocky River gets around 11.2 in of rain and snow over 39 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 10 mph across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 hours in early March to 14 h 42 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.0 kWh/m².
Is spring a good time to visit Rocky River?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Rocky River.
What to pack for Rocky River in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Rocky River sees daytime highs around 55°F and nights near 41°F. Pack a warm layer and sun protection. Worth having: a heavy coat and rain gear. About 39 days see rain.
Sea temperature near Rocky River in Spring
The nearest coast averages about 42°F across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 11 mi away) is warmest in August at about 75°F and coldest in February near 33°F.
It's comfortable for a long swim from Jun 27 to Sep 24 — about 3 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 35 | 33 | 35 | 40 | 51 | 65 | 73 | 75 | 71 | 61 | 51 | 42 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 35 | Bracing |
| Feb | 33 | Bracing |
| Mar | 35 | Bracing |
| Apr | 40 | Bracing |
| May | 51 | Bracing |
| Jun | 65 | Cool |
| Jul | 73 | Refreshing |
| Aug | 75 | Refreshing |
| Sep | 71 | Refreshing |
| Oct | 61 | Cool |
| Nov | 51 | Bracing |
| Dec | 42 | Bracing |
UV index in Rocky River in Spring
Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rocky River peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 4 | 6 | 8 | 9 | 8 | 7 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | High | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Rocky River in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Rocky River is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 11 | 12 | 13 | 15 | 16 | 16 | 15 | 12 | 8 | 7 | 8 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 11 | Good |
| Mar | 12 | Good |
| Apr | 13 | Moderate |
| May | 15 | Moderate |
| Jun | 16 | Moderate |
| Jul | 16 | Moderate |
| Aug | 15 | Moderate |
| Sep | 12 | Good |
| Oct | 8 | Good |
| Nov | 7 | Good |
| Dec | 8 | Good |
Where is Rocky River?
Rocky River sits at 41.5°N, 81.8°W, 689 ft above sea level, in United States. The nearest listed city is Lakewood, 1.9 mi away.
Topography around Rocky River
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Rocky River.
Within 2 miles, the terrain around Rocky River has only modest variations in elevation — a maximum elevation change of 217 ft around an average of 663 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 614 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 978 ft.
The land around Rocky River is covered by trees (36%), artificial surfaces (32%) and water (23%) within 2 miles, water (40%), trees (27%) and artificial surfaces (23%) within 10 miles, and water (42%) and trees (31%) within 50 miles.
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
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 Rocky River (41.4756°, -81.8393°, elevation 689 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.