The best times to visit ONeill for ideal weather are

May 14th to October 7th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other ONeill Travel Info

Weather in ONeill


Average temperatures in ONeill vary an incredible amount. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 45th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit ONeill, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 89.5°F (31.9°C) with temperatures rarely dropping below 64.1°F (17.8°C) at night.

ONeill Temperatures (Fahrenheit)


ONeill Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

ONeill Perceived Temperature (F)


ONeill Perceived Temperature (C)



Average ONeill Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 34.8 23.2 13.9
Feb 36.3 24.2 15.2
Mar 52.6 38.3 28.1
Apr 61.4 47.7 36.9
May 71.5 58.5 47.6
Jun 80.8 68.7 58
Jul 87.8 74.8 62.8
Aug 84.7 72 61.2
Sep 78.2 63.5 51.5
Oct 63.8 49.9 39.1
Nov 50.9 37.1 26.4
Dec 34.8 24.1 15.4

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 1.6 -4.9 -10.1
Feb 2.4 -4.3 -9.3
Mar 11.4 3.5 -2.2
Apr 16.3 8.7 2.7
May 21.9 14.7 8.7
Jun 27.1 20.4 14.4
Jul 31 23.8 17.1
Aug 29.3 22.2 16.2
Sep 25.7 17.5 10.8
Oct 17.7 9.9 3.9
Nov 10.5 2.8 -3.1
Dec 1.6 -4.4 -9.2



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in ONeill are January, December, and then November. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late May to early June with an average of 2 days of significant precipitation the week of May 28th.

When can you find snow in ONeill? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in ONeill.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in ONeill (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 1% 0 0.1
Feb 2% 0 0.3
Mar 4% 0 0.4
Apr 10% 0 1.6
May 15% 0 1.8
Jun 19% 0 3
Jul 10% 0 1.5
Aug 12% 0 2.5
Sep 9% 0 1.5
Oct 9% 0 1.2
Nov 2% 0 0.2
Dec 2% 0 0.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 1 0 0.3
Feb 2 0 0.8
Mar 4 0 1
Apr 10 0 4.1
May 15 0 4.6
Jun 19 0 7.6
Jul 10 0 3.8
Aug 12 0 6.4
Sep 9 0 3.8
Oct 9 0 3
Nov 2 0 0.5
Dec 2 0 0.5


Humidity and Wind

ONeill has some high humidity months, with other comfortably humid months. The least humid month is April (51.9% relative humidity), and the most humid month is December (67%).

Wind in ONeill is usually moderate. The windiest month is April, followed by March and January. April’s average wind speed of around 10.4 knots (11.9 MPH or 19.2 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early April where average top sustained speeds reach 19.9 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in ONeill.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 9.7 Gentle breeze 18.6 Strong breeze
Feb 9.1 Gentle breeze 17.1 Strong breeze
Mar 9.8 Gentle breeze 18.5 Strong breeze
Apr 10.4 Gentle breeze 19.6 Strong breeze
May 9.4 Gentle breeze 18.5 Strong breeze
Jun 7.8 Gentle breeze 16.7 Significant breeze
Jul 7.1 Gentle breeze 15.3 Strong breeze
Aug 7.3 Gentle breeze 15.3 Significant breeze
Sep 8 Gentle breeze 16 Strong breeze
Oct 9.2 Gentle breeze 17.7 Strong breeze
Nov 9.1 Gentle breeze 17.6 Strong breeze
Dec 8.9 Gentle breeze 16.4 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 60.5%
Feb 62.9%
Mar 56.2%
Apr 51.9%
May 55.5%
Jun 59.2%
Jul 56.9%
Aug 63.2%
Sep 57.3%
Oct 55.3%
Nov 54.9%
Dec 67%


Is it Safe to Travel to ONeill?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in ONeill, NE, US is July, followed by August and February. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit ONeill in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 42.4 in November means 42.4% of the tourists vs. July.



Overall ONeill Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 76.1°F (24.5°C) and 35.4°F (1.9°C) with warmer temperatures in the later months. Rain is rare with 1 to 5 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 3 to 6 days of precipitation per month. June – August is the busiest season for tourism in ONeill, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 80.4°F (26.9°C) and 44.4°F (6.9°C), which will feel chilly given the humidity and wind. It rains or snows a normal amount: 1 to 3 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in ONeill to be enjoyable for warm weather travelers. The average high during this season is between 40.4°F (4.7°C) and 31.8°F (-0.1°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are the second busiest with tourists.


Best Times to Travelthe United States › ONeill, NE, US