Cheap flights from Irvine, CA to Portsmouth, NH (PSM)
LAX — PSM
Dec 28 — Jan 41
1 adult, Economy
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Discover tips and strategies to find the most affordable flight options for your journey from Irvine (IR9) to Portsmouth (PSM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2024.
Travel insights for flights from Irvine to Portsmouth
Get recent, data-driven insights about flights from Irvine to Portsmouth including ideal travel times, pricing trends, and more.
Rainfall in Portsmouth by month
Plan your trip to Portsmouth by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Portsmouth, New Hampshire ranges from 2.2 - 5.1 inches per month. November is typically the wettest month, when rainfall can reach 5.1 in. August is typically the driest time to visit Portsmouth, New Hampshire when rainfall is around 2.2 in.
Temperature in Portsmouth by month
Plan your trip to Portsmouth by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Portsmouth, New Hampshire, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).