What to Expect from the Climate of Loreto Mexico Month by Month

Weather in Loreto, Mexico is one of the best qualities of the area having hot summers and cool winters with a fairly dry climate year round. If you are a sun and heat lover, July through September will have you basking in ninety-degree weather that can inch near the three digits. If that weather in Loreto Mexico sounds a bit too extreme, then consider visiting as a snowbird, escaping your own cold weather for the more mild November through February.

What Type of Climate Does Loreto Have?

Loreto Mexico weather is considered tropical desert being hot and humid with lots of sunshine, but the winter months can be chilly, especially at night. While July, August, and September can be in the high nineties, the months of December, January, and February are considered winter with daily highs in the seventies and nights that can dip into the low fifties.

How Often Does it Rain in Loreto?

Weather in Loreto Mexico can be confusing as most of the year is dry, summer heat, but the rains do show up around mid-July and run through the month of October. Statistically, September has the most rain having 1.8 inches as the average rainfall. While the Loreto Mexico weather during these months is not overly inviting, nearly nine months of the year is dry and sunny with some scattered cloud cover.

How Hot is it in Loreto?

Yet, some like it hot, and if that’s you, then Loreto Mexico weather is best enjoyed from the beginning of June through the end of September. You will enjoy average daily temperatures in the nineties with bright, hot sunshine and mostly cloudless days with some humidity. The nights will continue this warm trend staying in the mid-seventies to mid-eighties. Just the right amount of heat to sleep with your windows open!

When is the Best Time of Year to Visit Loreto?

So when it comes to weather in Loreto Mexico, you may be wondering when is the best time to plan out your vacation. This all depends on your heat and cold preferences. January has seen night temperatures dip all the way into the low forties!

January, February, and March will have average daily highs in the mid-fifties to mid-seventies with little to no rain.

April, May, and June see that heating up just a bit with highs in the mid-sixties to low-nineties with a few more cloudy days getting closer to June.

July, August, and September is going to be hot, humid, and wet with temperatures staying in the mid to high nineties and lows not going much past mid to high seventies. On the up side, the rain is a warm and often pleasant reprieve from the heat.

October, November, and December is a mixed bag. While October will still have some rain, the weather in Loreto, Mexico just keeps getting better at that point. Mid-nineties in October starts dropping to highs in the mid-seventies come December and the lows go all the way to the fifties making November through March some of the very best months to plan your trip to Loreto!

Average Monthly Rainfall in Loreto

Planning a trip to Loreto?

Understanding the region’s weather patterns can help you pick the perfect time to visit. With its unique tropical desert climate, Loreto offers warm, sunny days nearly year-round, shaped by both the Sea of Cortez and the Sierra de la Giganta mountains. Whether you're chasing summer heat or winter calm, this guide covers it all—from average temperatures to humidity, rainfall, and the best travel months.

What’s the Typical Climate in Loreto, Mexico?

Loreto is known for its tropical desert climate—hot summers, cooler winters, and very little rain overall. With roughly 300 days of sunshine per year, it’s an ideal destination for sunseekers and nature lovers. Its microclimate results from the combination of desert terrain and nearby ocean, offering clear skies and stunning coastal views.

Does Loreto Have a Rainy Season?

Yes, but it’s brief and relatively light. The Loreto rainy season runs from mid-July through October, peaking in September with about 1.8 inches of rainfall. The rest of the year is part of the Loreto dry season, with minimal precipitation and blue skies.

What Are Loreto Temperatures Like in Summer?

From June to September, Loreto temperatures soar into the 90s°F, occasionally nearing 95°F. Nighttime lows remain warm—between 77°F and 83°F. This is considered the hot season in Loreto, ideal for beach days and warm water adventures.

Is Loreto Humid?

Generally, Loreto has low humidity, but moisture increases during the rainy season, especially in August and September. However, ocean breezes from the Sea of Cortez help make the warmth more comfortable.

How Do the Sierra de la Giganta Mountains Affect the Weather?

The Sierra de la Giganta range plays a significant role in creating Loreto’s microclimate. These mountains shield the region from Pacific weather systems and help retain coastal humidity, creating a stable and pleasant atmosphere throughout the year.

When’s the Best Time to Visit Loreto Based on Weather?

For mild, dry weather, visit between November and March. This period sees highs in the 70s°F, minimal rain, and crisp, cool evenings. For those who enjoy hot, tropical climates, June through September delivers heat and sunshine—just be prepared for occasional showers.

What’s the Water Temperature in the Sea of Cortez Near Loreto?

In summer, the Sea of Cortez reaches mid-80s°F, perfect for swimming and snorkeling. In winter, it cools to the mid-60s°F to low 70s°F, but remains comfortable for most visitors.

Is Loreto Susceptible to Hurricanes?

While Loreto is rarely hit directly, it can be affected by tropical storms or rain systems, mostly between August and October. However, major disruptions are uncommon, and tourism continues with minimal impact.

Loreto Month-by-Month Weather Overview

January–March: Mild and dry, with highs from 75°F to 78°F and cool nights around 58°F. This is the cool season in Loreto, ideal for escaping northern winters.

April–June: Warming up, with highs climbing from the 80s to low 90s°F. Rain is minimal, and days are generally sunny—great for spring travelers.

July–September: The hottest and most humid months, with daytime highs near 95°F. Brief, warm rain showers are common in the afternoons. This is peak Loreto rainy season, but it’s also a quieter time to visit.

October–December: The weather cools gradually. October may still see some rain, but by December, highs return to the 80s°F and nights dip into the 60s°F—marking the start of Loreto’s most pleasant travel season.

No matter when you choose to visit, Loreto’s unique blend of desert landscapes, ocean breezes, and abundant sunshine creates the perfect backdrop for unforgettable experiences. Whether you’re planning a winter escape, a summer beach adventure, or a relaxing getaway in between, Loreto welcomes you with open skies and warm hospitality. Start planning your trip today—and let the weather work in your favor.