Oronoco has cold, snowy winters and pleasant summers
A typical July afternoon reaches 82°, a January night drops to 6°, and about 44 inches of snow falls in a normal winter.
A year in Oronoco at a glance
Each month’s typical high and low, and what it brings.
What stands out about Oronoco’s climate
Read from where Oronoco sits among Minnesota’s towns. The page puts what stands out first.
44 inches of snow, 35 of rain and melt
June is the wettest month and January the driest. Rain or snow falls on about 111 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
What a year in Oronoco feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 139 frost-free days a year
In half of years the last 32° night comes by May 12 and the first by September 28.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Oronoco’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
139 frost-free days. The last frost comes by May 12 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 28.
About 44" a winter over 12 days with an inch or more, most in December. Snow covers the ground about 88 days a year.
Months averaging under 55° run from October through April. Heating is 95% of the year’s heating-and-cooling load.
About 8 days a year reach 90°, and July afternoons average 82°.
The nicest months are May, June, July, August and September. 0.9 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Oronoco and its neighbors
Pine Island has the coldest January nights next door (6°) and Oronoco the hottest July afternoons (82°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Oronoco averaged 1.3° warmer than the 1900s. The biggest change is in December (+3.2°).
A bigger shift than in 53% of U.S. towns.
Change by month
How Oronoco compares
Against every U.S. town on TownTapestry, each counted once, with its place in Minnesota.
Oronoco weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 24° | 6° | 1.0" | 8.8" | 7 | 25 | 4° – 28° |
| February | 28° | 9° | 1.0" | 9.6" | 6 | 25 | 5° – 31° |
| March | 41° | 22° | 1.9" | 8.8" | 8 | 16 | 23° – 48° |
| April | 56° | 34° | 3.4" | 1.2" | 10 | 1 | 34° – 52° |
| May | 69° | 46° | 4.4" | 0.6" | 13 | 0 | 52° – 65° |
| June | 78° | 56° | 5.4" | 0 | 14 | 0 | 63° – 73° |
| July | 82° | 60° | 4.3" | 0 | 11 | 0 | 64° – 76° |
| August | 79° | 57° | 4.5" | 0 | 11 | 0 | 64° – 74° |
| September | 73° | 50° | 3.7" | 0 | 10 | 0 | 54° – 67° |
| October | 59° | 37° | 2.5" | 0.1" | 9 | 0 | 42° – 53° |
| November | 42° | 25° | 1.8" | 2.8" | 6 | 2 | 24° – 46° |
| December | 29° | 13° | 1.2" | 12.5" | 7 | 19 | 7° – 31° |
| Year | 55° | 35° | 35.1" | 44.4" | 111 | 88 |
Heating and cooling a home in Oronoco
95% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 5° to 31°. June is the most reliable, staying within 9°.
Common questions about Oronoco’s climate
What is the coldest month in Oronoco?
January, with a typical high of 24° and a low of 6°.
What is the hottest month in Oronoco?
July, with a typical high of 82° and a low of 60°. About 8 days a year reach 90°.
How much snow does Oronoco get?
About 44 inches in a normal winter, most of it in December.
When is the first frost in Oronoco?
In half of years the first 32° night comes by September 28, and the last spring frost by May 12.
What is the rainiest month in Oronoco?
June, with 5.4 inches of rain and melted snow. The year totals 35 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Oronoco.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Oronoco itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Byron 4north, MN (9 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.