McKinney in Spring
In spring (March, April and May), McKinney sees average daytime highs around 74°F and overnight lows near 55°F, with 14.5 in of precipitation over about 30 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs climb from about 63°F in early March to 85°F by late May. The sky is clear or mostly clear about 37% of the time across spring, and the air most often feels dry.
Spring is McKinney's best season of the year to visit on our travel score. For the whole year in context, see McKinney's year-round climate.
- Avg daytime high
- 74°F
- 3rd-warmest season
- Avg overnight low
- 55°F
- Precipitation
- 14.5 in
- 30 wet days
- Avg wind
- 10 mph
- Travel score
- 6.4
- best season of the year
- Months
- Mar · Apr · May
Temperature in McKinney in Spring
Over the season highs climb from about 63°F in early March to 85°F by late May.
A typical spring day in McKinney reaches about 74°F and drops to 55°F overnight. The warmest of the three months is May, the coolest March.
How spring really feels in McKinney
Once humidity and wind are folded in, spring brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.
spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
McKinney 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 | 55° / 37° | 2.8 | 6.8 | 0.5 | 10.1 | 3.8 |
| Feb | 59° / 40° | 2.9 | 7.5 | 0.6 | 10.8 | 4.8 |
| Mar | 66° / 47° | 4.1 | 9.5 | 0.3 | 11.7 | 6.2 |
| Apr | 74° / 55° | 4.6 | 9.2 | 0 | 12.8 | 7.0 |
| May | 81° / 64° | 5.7 | 11.5 | 0 | 13.7 | 6.1 |
| Jun | 89° / 72° | 3.6 | 9.1 | 0 | 14.2 | 4.4 |
| Jul | 93° / 75° | 2.0 | 6.2 | 0 | 14 | 3.4 |
| Aug | 93° / 75° | 2.0 | 5.8 | 0 | 13.2 | 3.4 |
| Sep | 87° / 68° | 3.1 | 6.8 | 0 | 12.2 | 5.4 |
| Oct | 76° / 57° | 4.1 | 7.9 | 0 | 11.2 | 7.4 |
| Nov | 65° / 46° | 3.7 | 7.2 | 0 | 10.3 | 6.4 |
| Dec | 56° / 39° | 3.8 | 7.2 | 0.3 | 9.8 | 4.2 |
Cloud cover in Spring
The sky is clear or mostly clear about 37% of the time across spring.
Chance of precipitation in Spring
McKinney gets around 14.5 in of rain and snow over 30 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 h 12 min in early March to 14 hours 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 5.2 kWh/m².
Is spring a good time to visit McKinney?
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 reasonable time to visit McKinney for sightseeing.
What to pack for McKinney in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, McKinney sees daytime highs around 74°F and nights near 55°F. Pack light clothes. Worth having: rain gear and sun protection. About 30 days see rain.
UV index in McKinney in Spring
Clear-sky midday UV across spring averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in McKinney peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 6 | 9 | 9 | 10 | 10 | 10 | 8 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 6 | High |
| Apr | 9 | Very high |
| May | 9 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in McKinney 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 McKinney is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (October, 8 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) | 8 | 8 | 10 | 11 | 14 | 16 | 19 | 15 | 11 | 8 | 8 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 8 | Good |
| Mar | 10 | Good |
| Apr | 11 | Good |
| May | 14 | Moderate |
| Jun | 16 | Moderate |
| Jul | 19 | Moderate |
| Aug | 15 | Moderate |
| Sep | 11 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 8 | Good |
Where is McKinney?
McKinney sits at 33.2°N, 96.6°W, 630 ft above sea level, in United States. The nearest listed city is Allen, 7.5 mi away.
Topography around McKinney
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of McKinney.
Within 2 miles, the terrain around McKinney has only modest variations in elevation — a maximum elevation change of 164 ft around an average of 594 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 318 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 722 ft.
The land around McKinney is covered by artificial surfaces (38%), trees (27%) and grassland (24%) within 2 miles, grassland (37%), trees (24%) and artificial surfaces (22%) within 10 miles, and grassland (47%) and trees (26%) 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 McKinney (33.1976°, -96.6153°, elevation 630 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.