The best times to visit Portales for ideal weather are
April 9th to June 17th
August 20th to November 4th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Portales Travel Guide
Other Portales Travel Info
Weather in Portales
Average temperatures in Portales vary drastically. 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 less temperate than some — in the 39th 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 Portales, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 94°F (34.4°C) with temperatures rarely dropping below 65.7°F (18.7°C) at night.
Portales Temperatures (Fahrenheit)
Portales Temperatures (Celsius)
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.
Portales Perceived Temperature (F)
Portales Perceived Temperature (C)
Average Portales 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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Portales are November, January, and then December. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late December. For example, on the week of December 24th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid August with an average of 2 days of significant precipitation the week of August 13th.
When can you find snow in Portales? Weather stations report large amounts of snow likely to be deepest around January, especially close to late January. The best time to ski (if at all) in Portales is often around around January 22nd when fresh powder is deepest. 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 Portales.
Snow on the Ground
The graph below shows the average snow on the ground in Portales (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Portales has some comfortably humid months, and dry months in the opposite season. The least humid month is April (25.9% relative humidity), and the most humid month is September (49.9%).
Wind in Portales is usually moderate. The windiest month is April, followed by March and May. April’s average wind speed of around 11.6 knots (13.4 MPH or 21.5 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late April where average top sustained speeds reach 23.1 knots, which is considered a strong breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Portales.
The graph below shows wind speed (max and average) in knots.
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||9.8||Gentle breeze||18.2||Strong breeze|
|Feb||10.5||Gentle breeze||19.9||Strong breeze|
|Mar||10.7||Gentle breeze||20.4||Strong breeze|
|Apr||11.6||Significant breeze||22.3||Very strong breeze|
|May||10.5||Gentle breeze||20.4||Strong breeze|
|Jun||9.7||Gentle breeze||20||Strong breeze|
|Jul||7.9||Gentle breeze||16.5||Strong breeze|
|Aug||7.5||Gentle breeze||16.1||Significant breeze|
|Sep||7.9||Gentle breeze||16||Strong breeze|
|Oct||8.9||Gentle breeze||17.2||Strong breeze|
|Nov||9.2||Gentle breeze||17.5||Strong breeze|
|Dec||10.1||Gentle breeze||18.9||Strong breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Portales?
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 Portales, NM, US is July, followed by March and April. 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 Portales in January. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Portales Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 89.5°F (31.9°C) and 62°F (16.7°C) with warmer temperatures in the later months. Rain is rare with 2 to 4 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
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 4 to 6 days of precipitation per month. June – August is the busiest season for tourism in Portales, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 87.6°F (30.9°C) and 58.7°F (14.8°C), which will feel comfortable given the humidity and wind. It rains or snows a normal amount: 1 to 4 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Winter (December through February)
Weather is too cold this time of year in Portales to be enjoyable for warm weather travelers. The average high during this season is between 62.8°F (17.1°C) and 50.6°F (10.3°C). On average, it rains or snows a smalll amount: 1 to 2 times per month. These times of year are the slowest with tourists.