Introduction: Organizational Climate is an assessment of library staff perceptions. This study aimed to assess the organizational climate of libraries in Isfahan state Universities using ClimateQual.

Methods: The participants of this descriptive study included 87 librarians from State Universities of Isfahan (Isfahan University, Isfahan University of Medical Sciences, and Isfahan University of Technology). The data were collected using the ClimatQual questionnaire, the reliability of which was reported by using Cronbach's alpha as 0.83. The validity of the questionnaire was confirmed by specialists. Data analysis was performed using descriptive and inferential statistics including mean and standard deviation and ANOVA by SPSS software version 18.

Results: According to the findings, the total mean score of organizational climate in state universities of Isfahan was 69.5 %. The mean scores for Isfahan University, Isfahan University of Medical Sciences and Isfahan University of Technology were 79%, 69.8% and 64.1%, respectively. while the Climate Justice (49%) obtained the lowest.

Conclusion: The findings indicated that the organizational climate of State Universities in Isfahan was desirable; however, Climate Justice, with the lowest mean score compared to similar studies, is the aspect that deserves more attention by library administrators.