Climate and monthly weather forecast
Odessa, TX

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A striking image of a calm pond and a scenic garden park on its other side, behind the buildings of the city of Odessa in Texas
A striking image of a calm pond and a scenic garden park on its other side, behind the buildings of the city of Odessa in Texas

The climate of Odessa

Geographically situated in West Texas, Odessa boasts a semi-arid climate, classified under the BSk Köppen climate classification. This characteristic climate type connotes mid-latitude steppes where rainfall registers lower than what evapotranspiration could potentially account for.

Throughout the year, temperature levels tend to fluctuate, ranging from a cool 37.9°F (3.3°C) during the colder months to a sweltering 94.1°F (34.5°C) during the heat of summer. Humidity levels show marginal variation throughout the year, staying within a span of between 37 to 53%.

Precipitation in Odessa presents an interesting pattern. The year generally starts and ends with a lower precipitation volume, having from 0.39" (10mm) in January to 0.55" (14mm) in December. The middle of the year, especially from May to June, witnesses a rise in precipitation volume with recorded values escalating from 1.3" (33mm) to 1.81" (46mm).

As part of its unique weather conditions, Odessa experiences negligible snowfall for most of the year, with amounts peaking at 1.26" (32mm) specifically in November and December. Throughout the year, the city also experiences between 10.1 to 14.2 hours of daylight with June being the longest.

The best time to visit Odessa

With the climatic conditions accounted for, the optimal time to visit Odessa falls between May and June. During this time, the temperatures strike a balance, settling at warm levels between 72°F (22.2°C) and 93.9°F (34.4°C). Rainfall averages at a moderate range from 1.3" (33mm) to 1.61" (41mm), adding a refreshing element to the prevailing warmth. Sunlight exposure is at its optimal as well, offering an overwhelming abundance of sunshine for approximately 14.2 hours daily during June.

The worst time to visit Odessa

The least favorable time to visit Odessa is during the latter part of the year, particularly from November to December. Aside from the significantly colder temperatures which drop to a range from 38.8°F (3.8°C) to 56.1°F (13.4°C), these months also witness the peak of the city's snowfall with an average accumulation of 1.26" (32mm). Daylight hours are minimal during these months, making them less ideal for tourism.

Spring weather in Odessa

Spring spans from March to May in Odessa and is characterized by accelerating temperatures. Commencing at a moderate 49.5°F (9.7°C) in March, the temperature warms up to reach 63.9°F (17.7°C) by May. Rainfall also exhibits an upward trend during this period, ending at an elevated 1.61" (41mm) by May. Hours of sunshine rise, reaching up to 13.8 hours by May, providing ample daylight for outdoor activities.

Summer weather in Odessa

The summer months of June through August in Odessa bring along with them intense heat. Notably, July and August jointly hold the record for the hottest months, with temperatures shooting up to 94.1°F (34.5°C). Precipitation receives a slight reduction during this period, standing at 0.94" (24mm) by August. The long summer days bask in ample sunshine, peaking at daily 14.2 hours in June.

Autumn weather in Odessa

The transition from summer to winter in Odessa from September to November features a gradual decrease in temperature. Starting from a high of 85.3°F (29.6°C) in September, autumn temperatures dwindle to a low of 46.2°F (7.9°C) by November. While September is the wettest month with a precipitation spike of 1.81" (46mm), November, on the other hand, observes only 0.63" (16mm) in rainfall.

Winter weather in Odessa

The winter season in Odessa, extending from December to February, is typified by the coldest temperatures of the year. With the mercury dipping to 37.9°F (3.3°C) in December and only a slight rise to 41.4°F (5.2°C) by February, the cold becomes a definite, unwavering backdrop. This period also marks the arrival of snowfall, reaching its peak at 1.26" (32mm) in December. With as little as 10.1 hours of daylight in December, winter days fall short, wrapping up early in the afternoons.

Weather in January

January in Odessa, Texas, presents a mild start to the year, with the winter season fully engaged. However, keep in mind, this is Texas; thus, the so-called cold spells are not as severe as they would be further up North. The month shows the lowest minimum temperatures of the year. Weather in January »

Weather in February

As February arrives, a noticeable transition becomes apparent, with the weather in Odessa gently lifting from winter. Clear, sunny skies dominate with daily sunshine hours holding steady at 9 hours. One can expect a slight increase in both maximum and minimum temperatures as the month progresses. Weather in February »

Weather in March

Moving into March, the anticipated arrival of spring hints at warmer temperatures. As the snowfall disappears, rainfall increases, marking a shift from the winter season. This month records the first substantial hike in temperatures, with the days extending, promising more daylight. Weather in March »

Weather in April

Entering the full swing of spring, April in Odessa continues the warming trend, preparing the region for the approaching summer. The transition from March is complemented by an increase in daily sunshine, amounting to 9.2 hours. Days grow longer and rains become more common. Weather in April »

Weather in May

May brings the full feeling of spring to Odessa with temperatures climbing above average. Increasing daylight hours and warm temperatures build up towards the summer season. This time of the year also marks the start of the region's higher rainfall period. Weather in May »

Weather in June

June starts the beginning of summer in Odessa, with temperatures soaring further. The longer days and the increase in daylight hours are significant characteristics of this month. The humidity also sees a rise from May's average. Notably, June boasts a high-temperature mark of the year, soaring to 93.9°F (34.4°C). Weather in June »

Weather in July

July in Odessa showcases the intensity of a Texan summer. The month barely sees any drop in temperatures from June, with the warm weather consistently persisting. The rainfall during this month is less than in June, but interestingly, the number of rainfall days increases. Weather in July »

Weather in August

August, often the hottest month in many regions of the world, is no different in Odessa, Texas. While the temperatures remain high, the days start to shorten as we approach the end of summer. Relative humidity sees a minor dip compared to the previous month. Weather in August »

Weather in September

September brings relief from the intense summer heat. However, it doesn't immediately cool down, maintaining relatively high temperatures compared to most regions. The faded heat of summer lingers; nevertheless, a decrease in daylight hours is noticeable. Weather in September »

Weather in October

As October arrives, the clear signs of fall become prominent in Odessa. The decrease in temperatures is more abrupt, and the warmth of summer seems to fade away steadily. With milder surroundings, the rainfall amounts fall, presenting a gentle stolen summer fragrance. Weather in October »

Weather in November

November in Odessa witnesses a drastic transition from fall to winter. As the temperatures fall, so does the number of daylight hours, bringing forth shorter days. The switch to cooler weather from October is evident, mirroring the coming winter months. Weather in November »

Weather in December

Finally, December rounds off the year with fully engaged winter temperatures. As the shortest day of the year falls in this month, decreased daylight hours are expected. Rainfall during this month continues but decreases from November, and snowfall remains present. Weather in December »

Frequently asked questions

What part of the year is the coldest?

In Odessa, the lowest temperatures are generally noted in January, averaging a high of 55.9°F (13.3°C) and a low of 37.9°F (3.3°C).

How many days does it rain?

In Odessa, during the entire year, the rain falls for 79.5 days and collects up to 11.81" (300mm) of precipitation.

When does it snow?

January through March, November and December are months with snowfall.

How much does it snow in Odessa?

Throughout the year, there are 6.7 snowfall days, and 3.74" (95mm) of snow is accumulated.

What is the driest month?

The month with the least rainfall is February, when the rain falls for 3.5 days and typically collects 0.28" (7mm) of precipitation.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the least humid month?

The least humid month is April, with an average relative humidity of 37%.

When it does not snow?

In Odessa, Texas, snow does not fall in April through October.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 7.

When are the longest days?

The month with the longest days is June, with an average of 14h and 12min of daylight.

What month has the most sunshine?

With an average of 11.5h of sunshine, June has the most sunshine of the year.

What month is the hottest?

Odessa registers the average highest temperatures during August, with peaks of 94.1°F (34.5°C) and lows of 74.8°F (23.8°C).

What is the most humid month in Odessa?

September is the most humid month, with an average relative humidity of 53%.

What is the wettest month?

The month with the most rainfall is September, when the rain falls for 12 days and typically aggregates up to 1.81" (46mm) of precipitation.

What is the snowiest month?

The months with the most snowfall are November and December, with an average 1.26" (32mm) of accumulated snow.

What is the month with the shortest days?

With an average of 10h and 6min of daylight, December has the shortest days of the year.

What is the month with the least sunshine?

With an average of 6.8h of sunshine, December has the least sunshine of the year.

When is the lowest UV index?

With an average maximum UV index of 3, December is the month with the lowest UV index.

Average temperature
Odessa, TX

Average temperature - Odessa, TX

The warmest month (with the highest average high temperature) is August (94.1°F).
The month with the lowest average high temperature is January (55.9°F).

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure
Odessa, TX

Average pressure - Odessa, TX

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed
Odessa, TX

Average wind speed - Odessa, TX

The windiest month (with the highest average wind speed) is April (13.9mph).
The calmest month (with the lowest average wind speed) is December (10.3mph).

Average humidity
Odessa, TX

Average humidity - Odessa, TX

The month with the highest relative humidity is September (53%).
The month with the lowest relative humidity is April (37%).

Average rainfall
Odessa, TX

Average rainfall - Odessa, TX

The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is February (0.28").

Average rainfall days
Odessa, TX

Average rainfall days - Odessa, TX

The month with the highest number of rainy days is September (12 days).
The month with the least rainy days is January (2.8 days).

Average snowfall
Odessa, TX

Average snowfall - Odessa, TX

The months with the highest snowfall are November and December (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Odessa, TX

Average snowfall days - Odessa, TX

The month with the highest number of snowfall days is December (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Odessa, TX

Average daylight / Average sunshine - Odessa, TX

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days
Odessa, TX

Average sunshine days - Odessa, TX

The month with the most sunshine days is January (27.1 days).
The month with the least sunshine days is September (15.5 days).

Average visibility
Odessa, TX

Average visibility - Odessa, TX

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Odessa, Texas, USA

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